C. Sheppard

发表

Image formation in holographic tomography: high-aperture imaging conditions.

S. Kou, C. Sheppard, 2009, Applied optics.

Transport-of-intensity approach to differential interference contrast (TI-DIC) microscopy for quantitative phase imaging.

G. Barbastathis, L. Waller, S. Kou, 2010, Optics letters.

Differential phase contrast in scanning optical microscopy

D. K. Hamilton, C. Sheppard, C. Sheppard, 1984 .

Scanning optical microscopy

Colin J. R. Sheppard, C. Sheppard, 2020, Advances in Imaging and Electron Physics.

Direct calculation of a three-dimensional diffracted field.

J C Dainty, S. Kou, C. Sheppard, 2011, Optics letters.

Sample-less calibration of the differential interference contrast microscope.

Colin J R Sheppard, Shalin B. Mehta, Shalin B Mehta, 2010, Applied optics.

Parameterization of the deterministic Mueller matrix: application to a uniform medium.

C. Sheppard, 2017, Journal of the Optical Society of America. A, Optics, image science, and vision.

Expressions for parallel decomposition of the Mueller matrix.

C. Sheppard, A. Diaspro, M. Castello, 2016, Journal of the Optical Society of America. A, Optics, image science, and vision.

Eigenvectors of polarization coherency matrices.

C. Sheppard, A. Diaspro, A. Bendandi, 2020, Journal of the Optical Society of America. A, Optics, image science, and vision.

Eigenvalues of the coherency matrix for exact backscattering.

C. Sheppard, A. Diaspro, A. Bendandi, 2019, Journal of the Optical Society of America. A, Optics, image science, and vision.

Coherency and differential Mueller matrices for polarizing media.

C. Sheppard, A. Diaspro, A. Bendandi, 2018, Journal of the Optical Society of America. A, Optics, image science, and vision.

A table of some coherency matrices, coherency matrix factors (CMFs), and their respective Mueller matrices

C. Sheppard, A. Diaspro, Aymeric Le Gratiet, 2017, 1706.09250.

Parameterization of the Mueller matrix.

C. Sheppard, 2016, Journal of the Optical Society of America. A, Optics, image science, and vision.

Image Formation in the Scanning Microscope

C. Sheppard, A. Choudhury, 1977 .

Image formation in a fiber-optical confocal scanning microscope

C. Sheppard, M. Gu, X. Gan, 1991 .

Imaging in optical systems of finite Fresnel number

C. Sheppard, 1986 .

Depth of field in optical microscopy

C. Sheppard, C. Sheppard, 1988 .

Factorization of the coherency matrix of polarization optics.

C. Sheppard, A. Diaspro, A. Le Gratiet, 2018, Journal of the Optical Society of America. A, Optics, image science, and vision.

Confocal fluorescent microscopy with a finite-sized circular detector

C. Sheppard, M. Gu, M. Gu, 1992 .

Using the phase-space imager to analyze partially coherent imaging systems: bright-field, phase contrast, differential interference contrast, differential phase contrast, and spiral phase contrast

Shalin B. Mehta, C. Sheppard, 2010 .

Investigation of Aberration Measurement in Confocal Microscopy

C. Sheppard, M. Gu, H. Zhou, 1995 .

Effects of defocus and primary spherical aberration on three-dimensional coherent transfer functions in confocal microscopes.

C. Sheppard, M. Gu, M. Gu, 1992, Applied optics.

Superresolution by image scanning microscopy using pixel reassignment.

Shalin B. Mehta, C. Sheppard, R. Heintzmann, 2013, Optics letters.

Limitations of the paraxial Debye approximation.

C. Sheppard, 2013, Optics letters.

Complete modeling of subsurface microscopy system based on aplanatic solid immersion lens.

C. Sheppard, J. Phang, Xudong Chen, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

High aperture focusing through a spherical interface: Application to refractive solid immersion lens (RSIL) for subsurface imaging

C. Sheppard, S. Goh, 2009 .

Improved expressions for performance parameters for complex filters.

J. Escalera, Juan Campos, S. Ledesma, 2007, Optics letters.

Near-real-time phase difference amplification using multiple-beam interferometry and a liquid-crystal-phase-only spatial light modulator

C. Sheppard, K. Matsuda, C. Grover, 2003 .

Geometric phase-shifting for low-coherence interference microscopy

C. Sheppard, M. Roy, P. Svahn, 2002 .

Numerical integration of diffraction integrals for a circular aperture

Manjula D. Sharma, C. Sheppard, I. Cooper, 2002 .

Measurement of thin coatings in the confocal microscope.

C. Sheppard, G. Cox, 2001, Micron.

Super-resolution in confocal imaging

C. Sheppard, 1988 .

Practical limits of resolution in confocal and non‐linear microscopy

C. Sheppard, G. Cox, 2004, Microscopy research and technique.

Three-dimensional transfer functions for high-aperture systems

C. Sheppard, S. Kawata, M. Gu, 1994 .

Quantitative phase-gradient imaging at high resolution with asymmetric illumination-based differential phase contrast.

Shalin B. Mehta, C. Sheppard, 2009, Optics letters.

Three-dimensional imaging by partially coherent light under nonparaxial condition.

Yongjin Sung, C. Sheppard, 2011, Journal of the Optical Society of America. A, Optics, image science, and vision.

Theory and practice of scanning optical microscopy

C. Sheppard, T. Wilson, 1984 .

Imaging in high-aperture optical systems

C. Sheppard, H. J. Matthews, 1987 .

Three-dimensional imaging in a microscope

C. Sheppard, X. Mao, 1989 .

Three-dimensional phase imaging with the intensity transport equation.

C. Sheppard, 2002, Applied optics.

Defocused transfer function for a partially coherent microscope and application to phase retrieval.

C. Sheppard, 2004, Journal of the Optical Society of America. A, Optics, image science, and vision.

Quantitative phase restoration by direct inversion using the optical transfer function.

G. Barbastathis, L. Waller, P. Marquet, 2011, Optics letters.

Partially coherent microscope imaging system in phase space: effect of defocus and phase reconstruction.

C. Sheppard, 2018, Journal of the Optical Society of America. A, Optics, image science, and vision.

The Green-function transform and wave propagation

S. Kou, C. Sheppard, Jiao Lin, 2014, Front. Phys..

Axial behavior of pupil-plane filters

Colin J. R. Sheppard, Zoltan S. Hegedus, C. Sheppard, 1988 .

Signal-to-Noise Ratio in Confocal Microscopes

Colin J. R. Sheppard, Min Gu, Maitreyee Roy, 2006 .

Coherent imaging of periodic thick fine isolated structures

John T. Sheridan, C. Sheppard, 1993 .

MODELLING OF IMAGES OF SQUARE-WAVE GRATINGS AND ISOLATED EDGES USING RIGOROUS DIFFRACTION THEORY

J. Sheridan, C. Sheppard, 1994 .

Confocal imaging of a stratified medium.

C J Cogswell, T. J. Connolly, C. Sheppard, 1994, Applied optics.

Images of surface steps in coherent illumination

C. Sheppard, J. Heaton, 1984 .

An examination of the theories for the calculation of diffraction by square wave gratings. III, Approximate theories

J. Sheridan, C. Sheppard, 1990 .

An examination of the theories for the calculation of diffraction by square wave gratings. II, Angular variation

J. Sheridan, C. Sheppard, 1990 .

Axial apodizing filters for confocal imaging

Colin J. R. Sheppard, Manjula D. Sharma, A. Arbouet, 2000 .

Creation of a needle of longitudinally polarized light in vacuum using binary optics

Luping Shi, Colin J. R. Sheppard, Chong Tow Chong, 2008 .

Edge detector tolerant to object defocusing

J. Escalera, Juan Campos, S. Ledesma, 2010 .

Motion detection using extended fractional Fourier transform and digital speckle photography.

Colin J R Sheppard, Basanta Bhaduri, C Quan, 2010, Optics express.

Wide-field extended-resolution fluorescence microscopy with standing surface-plasmon-resonance waves.

Colin J R Sheppard, Euiheon Chung, Peter T C So, 2009, Optics letters.

Focal-length measurement by multiple-beam shearing interferometry.

T H Barnes, C. Sheppard, B. Oreb, 1999, Applied optics.

Crossing the Resolution Limit in Near-Infrared Imaging of Silicon Chips: Targeting 10-nm Node Technology

C. Sheppard, Xudong Chen, K. Agarwal, 2015 .

Image formation in low-coherence and confocal interference microscopes.

Manjula D. Sharma, Maitreyee Roy, Colin J R Sheppard, 2004, Applied optics.

Low-Coherence Interference Microscopy

Colin J. R. Sheppard, Maitreyee Roy, C. Sheppard, 2003 .

Resolution and super‐resolution

Colin J R Sheppard, C. Sheppard, 2017, Microscopy research and technique.

Advanced optical microscopy methods for in vivo imaging of sub-cellular structures in thick biological tissues

Colin J. R. Sheppard, Nanguang Chen, Shakil Rehman, 2014 .

Image formation in two-photon fluorescence microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1990 .

University of Birmingham Influence of spherical aberration on axial imaging of confocal reflection microscopy

M Gu, C. Sheppard, M. Gu, 2006 .

Aberration compensation in confocal microscopy.

M Gu, C. Sheppard, M. Gu, 1991, Applied optics.

Imaging in digital holographic microscopy.

S. Kou, C. Sheppard, Colin J Sheppard, 2007, Optics express.

Second-harmonic imaging in the scanning optical microscope

Colin J. R. Sheppard, C. Sheppard, J. Gannaway, 1978 .

Partial polarization in three dimensions.

C. Sheppard, 2011, Journal of the Optical Society of America. A, Optics, image science, and vision.

Design considerations for refractive solid immersion lens: application to subsurface integrated circuit fault localization using laser induced techniques.

C. Sheppard, J. Phang, S. Goh, 2009, The Review of scientific instruments.

Effects of Annular Pupils on Confocal Fluorescent Imaging

C. Sheppard, M. Gu, 1992 .

COUPLED AND UNCOUPLED DIPOLE APPROXIMATIONS FOR NONLINEAR SCATTERING

P. So, C. Sheppard, N. Balla, 2012 .

Focusing of vortex beams: Lommel treatment.

C. Sheppard, 2014, Journal of the Optical Society of America. A, Optics, image science, and vision.

Focal shift, optical transfer function, and phase-space representations.

C. Sheppard, K. Larkin, 2000, Journal of the Optical Society of America. A, Optics, image science, and vision.

Confocal Microscopy with Detector Arrays

Carol J. Cogswell, Colin J. R. Sheppard, C. Sheppard, 1990 .

Focus-ISM for Sharp and Gentle Super-Resolved Microscopy

C. Sheppard, A. Diaspro, M. Castello, 2022, bioRxiv.

Pixel Reassignment in Image Scanning Microscopy

C. Sheppard, 2021 .

Edge detection in micrometrology with nearly confocal microscopy.

D. K. Hamilton, I. Cox, C. Sheppard, 1984, Applied optics.

Second/Third Harmonic Generation Microscopy

C. Sheppard, S. Rehman, N. Balla, 2011 .

Information capacity and resolution in three-dimensional imaging

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 2003 .

Position magnifying sensor

C. Sheppard, B. Oreb, K. Matsuda, 1999 .

Dependence of Fresnel number on aperture stop position

Colin J. R. Sheppard, Peter Török, C. Sheppard, 1998 .

Lommel pulses: an analytic form for localized waves of the focus wave mode type with bandlimited spectrum.

C. Sheppard, P. Saari, 2008, Optics express.

Focusing of pseudoradial polarized beams.

C. Sheppard, I. Cooper, M. Roy, 2005, Optics express.

Effects of image deconvolution on optical sectioning in conventional and confocal microscopes

C. Sheppard, G. Cox, 1993 .

Vector diffraction in paraboloidal mirrors with Seidel aberrations: effects of small object displacements

C. Sheppard, 1997 .

Straightness measurements by use of a reflection confocal optical system.

C. Sheppard, K. Matsuda, T. Eiju, 1999, Applied optics.

Polarization effects in 4Pi microscopy.

C. Sheppard, Ke Si, W. Gong, 2011, Micron.

A quasi-crystal model of collagen microstructure based on SHG microscopy

Colin J. R. Sheppard, Guy Cox, Pu Xu, 2010 .

Detectability: A New Criterion for Evaluation of the Confocal Microscope

Colin J. R. Sheppard, C. Sheppard, X. Gan, 1993 .

Image scanning microscopy with multiphoton excitation or Bessel beam illumination.

E. Slenders, C. Sheppard, A. Diaspro, 2020, Journal of the Optical Society of America. A, Optics, image science, and vision.

Integrated intensity and confocal imaging through scattering media

Manjula D. Sharma, C. Sheppard, 2001 .

Image Scanning Microscopy with Single-Photon Detector Array

M. Buttafava, A. Tosi, C. Sheppard, 2018, bioRxiv.

Three dimensional imaging by partially coherent light under non-paraxial condition

Yongjin Sung, C. Sheppard, 2012 .

Phase space analysis of partially coherent imaging in a microscop

Shalin B. Mehta, C. Sheppard, 2012 .

Developments in 3D microscopy

C. Sheppard, 2007 .

Confocal Microscopy: Basic Principles and System Performance

C. Sheppard, 1994 .

REAPPRAISAL OF ARRAYS OF CONCENTRIC ANNULI AS SUPERRESOLVING FILTERS.

Ingemar J. Cox, Colin J. R. Sheppard, Tony Wilson, 1982 .

Confocal Microscopes with Slit Apertures

Colin J. R. Sheppard, C. Sheppard, X. Mao, 1988 .

The influence of confocal microscope design on imaging performance

C. Sheppard, 1993 .

Edge Enhancement by Defocusing of Confocal Images

D. K. Hamilton, C. Sheppard, 1984 .

Rigorous analytical modeling of light scattering by particles and spherical surfaces in a focused beam

C. Sheppard, Xudong Chen, T. Hoang, 2013 .

Effect of Refractive Solid Immersion Lens parameters on the enhancement of laser induced fault localization techniques

C. Sheppard, J. Phang, S. Goh, 2008, 2008 15th International Symposium on the Physical and Failure Analysis of Integrated Circuits.

Comment on “Theoretical analysis of numerical aperture increasing lens microscopy” [J. Appl. Phys. 97, 053105 (2005)]

Goh Szu Huat, C. Sheppard, 2006 .

Study of evanescent waves for transmission near-field optical microscopy

C. Sheppard, P. Varga, P. Török, 1996 .

Electromagnetic field near the focus of wide-angular lens and mirror systems

C. Sheppard, A. Choudhury, J. Gannaway, 1977 .

Real-time phase-difference amplification with a liquid-crystal spatial light modulator.

C. Sheppard, K. Matsuda, T. H. Barnes, 2000, Applied optics.

Optical resolution and the spatial frequency cut-off

C. Sheppard, 1984 .

Polarization and the focusing of light

C. Sheppard, 2010 .

Two-dimensional complex source point solutions: application to propagationally invariant beams, optical fiber modes, planar waveguides, and plasmonic devices.

S. Kou, C. Sheppard, Jiao Lin, 2014, Journal of the Optical Society of America. A, Optics, image science, and vision.

Gaussian-beam theory of lenses with annular aperture

C. Sheppard, T. Wilson, 1978 .

Tight focusing of radially polarized Gaussian and Bessel-Gauss beams.

C. Sheppard, E. Yew, 2007, Optics letters.

On the equivalence of scanning and conventional microscol)es

C. Sheppard, T. Wilson, 1986 .

Three-dimensional Image Formation in Confocal Microscopy Under Ultra-short-laser-pulse Illumination

C. Sheppard, M. Gu, 1995 .

Experimental investigation of fibre-optical confocal scanning microscopy: Including a comparison with pinhole detection

C. Sheppard, M. Gu, 1993 .

Efficient calculation of electromagnetic diffraction in optical systems using a multipole expansion

Colin J. R. Sheppard, Peter Török, C. Sheppard, 1997 .

Evanescent fields do contribute to the far field (1999, J. mod. Optics, 46, 729)

C. Sheppard, F. Aguilar, 2001 .

Focal distributions and Hertz potentials

C. Sheppard, 1999 .

Electromagnetic field in the focal region of wide-angular annular lens and mirror systems

C. Sheppard, 1978 .

Beam collimation in the presence of aberrations

C. Sheppard, K. Matsuda, T. Eiju, 2001 .

Fresnel approximation for off-axis illumination of a circular aperture

C. Sheppard, P. P. Roberts, M. Gu, 1993 .

Coupled Dipole Model for Nonlinear Scattering

P. So, C. Sheppard, N. Balla, 2009 .

The beam propagation factor for higher order Gaussian beams

C. Sheppard, S. Saghafi, 1998 .

Near field of a weakly guiding step-index singlemode fibre

C. Sheppard, X. Gan, H. Fatemi, 1996 .

Effects of defocus and primary spherical aberration on images of a straight edge in confocal microscopy.

C. Sheppard, M. Gu, 1994, Applied optics.

Confocal Microscopy – Principles, Practice and Options

C. Sheppard, 1999 .

A compact confocal interference microscope based on a four-port single-mode fibre coupler

C. Sheppard, H. Zhou, M. Gu, 1996 .

Focal modulation microscopy with annular apertures: A numerical study

C. Sheppard, Ke Si, Nanguang Chen, 2010, Journal of biophotonics.

High resolution stereoscopic imaging.

D. K. Hamilton, C. Sheppard, 1983, Applied optics.

Phase space analysis of imaging in a microscope

C. Sheppard, Shalin B Mehta, 2013 .

Inside Front Cover: Enhanced volumetric imaging in 2-photon microscopy via acoustic lens beam shaping (J. Biophotonics 2/2018)

C. Sheppard, A. Diaspro, M. Duocastella, 2018 .

Phase Contrast Microscopy- Methods and Modeling

Shalin B. Mehta, S. Kou, C. Sheppard, 2013 .

POLARIZATION AND SECOND HARMONIC GENERATION MICROSCOPY

C. Sheppard, YS Elijah, 2005 .

Resolving interparticle position and optical forces along the axial direction using optical coherence gating

K. M. Tan, C. Sheppard, T. Chow, 2010 .

Scanning electron diffraction and its application to the oxidation of iron

C. Sheppard, H. Ahmed, 1977 .

Approximate calculation of the reflection coefficient from a stratified medium

C. Sheppard, C J R Sheppard, 1995 .

Analysis of numerical diffraction calculation methods: from the perspective of phase space optics and the sampling theorem.

Hao Zhang, Colin J. R. Sheppard, Wenhui Zhang, 2020, Journal of the Optical Society of America. A, Optics, image science, and vision.

Three‐dimensional image formation in confocal microscopy

Carol J. Cogswell, Colin J. R. Sheppard, C. Sheppard, 1990 .

Imaging using cylindrical vector beams in a high-numerical-aperture microscopy system.

Xudong Chen, Colin J R Sheppard, Krishna Agarwal, 2013, Optics letters.

Effects of specimen refractive index on confocal imaging

C. Sheppard, P. Török, C. J. R. Sheppard, 1997 .

Double-reflection polygon mirror for high-speed optical coherence microscopy.

Nanguang Chen, Linbo Liu, C. Sheppard, 2007, Optics letters.

Edge-setting criterion in confocal microscopy.

M Gu, C. Sheppard, C J Sheppard, 1992, Applied optics.

Intensity at the edge in the image of a straight edge with full illumination

C. Sheppard, 1984 .

The Development of Microscopy for Super-Resolution: Confocal Microscopy, and Image Scanning Microscopy

C. Sheppard, 2021, Applied Sciences.

Confocal differential interference contrast (DIC) microscopy: including a theoretical analysis of conventional and confocal DIC imaging

Carol J. Cogswell, Colin J. R. Sheppard, C. Sheppard, 1992 .

Improving signal-to-noise ratio of structured light microscopy based on photon reassignment

Jagath C. Rajapakse, Peter T. C. So, George Barbastathis, 2011, Biomedical optics express.

Axial resolution of confocal fluorescence microscopy

Colin J. R. Sheppard, C. Sheppard, 1989 .

Scanning Confocal Microscopy

Colin J. R. Sheppard, C. Sheppard, 2003 .

An integrated coherent anti-Stokes Raman scattering and multiphoton imaging technique for liver disease diagnosis

Wei Zheng, Colin J. R. Sheppard, Jian Lin, 2012, Other Conferences.

Considerations of aperture configuration in focal modulation microscopy from the standpoint of modulation depth.

C. Sheppard, Nanguang Chen, S. P. Chong, 2011, Journal of The Optical Society of America A-optics Image Science and Vision.

A robust and versatile platform for image scanning microscopy enabling super-resolution FLIM

Alberto Diaspro, Sami Koho, Giorgio Tortarolo, 2019, Nature Methods.

Analytic method to optimize aperture design in focal modulation microscopy.

C. Sheppard, Nanguang Chen, S. Rehman, 2014, Optics letters.

Focal modulation microscopy: a theoretical study.

Shau Poh Chong, Nanguang Chen, Colin J R Sheppard, 2010, Optics letters.

Improved spatial resolution in fluorescence focal modulation microscopy.

Nanguang Chen, Colin J R Sheppard, Ke Si, 2009, Optics letters.

Optimization of axial resolution in a confocal microscope with D-shaped apertures.

C. Sheppard, Ke Si, W. Gong, 2009, Applied optics.

Simple spatial phase modulator for focal modulation microscopy.

Shau Poh Chong, Nanguang Chen, Colin J R Sheppard, 2009, Applied optics.

Focal modulation microscopy.

Nanguang Chen, Colin J R Sheppard, C. Sheppard, 2008, Optics express.

Three-dimensional Imaging in Confocal Fluorescent Microscopy with Annular Lenses

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1991 .

Three-dimensional optical transfer function for an annular lens

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1991 .

Annular pupils, radial polarization, and superresolution.

Colin J R Sheppard, C. Sheppard, A. Choudhury, 2004, Applied optics.

Multiphoton Fluorescence Microscopy

C. Sheppard, G. Cox, 1999 .

Partially coherent image formation in differential interference contrast (DIC) microscope.

Colin J R Sheppard, Shalin B. Mehta, Shalin B Mehta, 2008, Optics express.

The Hankel transform in n-dimensions and its applications in optical propagation and imaging

S. Kou, C. Sheppard, Jiao Lin, 2015 .

Fundamentals of superresolution.

Colin J R Sheppard, C. Sheppard, 2007, Micron.

Zernike expansion of pupil filters: optimization of the signal concentration factor.

C. Sheppard, 2015, Journal of the Optical Society of America. A, Optics, image science, and vision.

Scattering and three-dimensional imaging in surface topography measuring interference microscopy.

C. Sheppard, J. Coupland, R. Leach, 2021, Journal of the Optical Society of America. A, Optics, image science, and vision.

Orthogonal aberration functions for high-aperture optical systems.

C. Sheppard, 2004, Journal of the Optical Society of America. A, Optics, image science, and vision.

Orthogonal aberration functions for high-aperture optical systems

Colin J. R. Sheppard, C. Sheppard, 2004 .

Surface profiling by phase-locked interferometry.

D. K. Hamilton, C. Sheppard, H. J. Matthews, 1986, Applied optics.

Quantitative phase restoration in differential interference contrast (DIC) microscopy

Colin J. R. Sheppard, Shan Shan Kou, S. Kou, 2008, SPIE Photonics Europe.

Aberration measurement in confocal microscopy: Phase retrieval from a single intensity measurement

Colin J. R. Sheppard, C. Sheppard, H. Zhou, 1997 .

Filter performance parameters for high-aperture focusing.

Colin J R Sheppard, C. Sheppard, 2007, Optics letters.

Balanced diffraction aberrations, independent of the observation point: application to a tilted dielectric plate.

C. Sheppard, 2013, Journal of the Optical Society of America. A, Optics, image science, and vision.

Phase from chromatic aberrations.

Laura Waller, George Barbastathis, Colin J R Sheppard, 2010, Optics express.

Localized Beams and Localized Pulses: Generation Using the Angular Spectrum

C. Sheppard, 2013 .

Bessel pulse beams and focus wave modes.

C. Sheppard, 2001, Journal of the Optical Society of America. A, Optics, image science, and vision.

Rayleigh-Sommerfeld diffraction formula in k space.

S. Kou, C. Sheppard, J. Lin, 2013, Journal of the Optical Society of America. A, Optics, image science, and vision.

Three-dimensional coherent transfer function in a reflection-mode confocal scanning microscope

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1991 .

Information capacity and resolution in an optical system

Colin J. R. Sheppard, Ingemar J. Cox, I. Cox, 1986 .

Jones and Stokes parameters for polarization in three dimensions

C. Sheppard, 2014 .

Purity of 3D polarization.

C. Sheppard, A. Diaspro, A. Bendandi, 2022, Journal of the Optical Society of America. A, Optics, image science, and vision.

Geometric representation for partial polarization in three dimensions.

C. Sheppard, 2012, Optics letters.

Multiphoton luminescence of gold nanorods upon excitation with wavelengths away from their absorption maxima

Colin J. R. Sheppard, Peter T. C. So, Naveen K. Balla, 2011, BiOS.

MEMS-based non-rotatory circumferential scanning optical probe for endoscopic optical coherence tomography

Kotlanka Ramakrishna, Colin J. R. Sheppard, Nanguang Chen, 2007, European Conference on Biomedical Optics.

SUPER-RESOLUTION BY CONFOCAL FLUORESCENT MICROSCOPY

Tony Wilson, C. J. R. Sheppard, C. Sheppard, 1982 .

Optimization of pupil filters for maximal signal concentration factor.

C. Sheppard, 2015, Optics letters.

Localization measures for high-aperture wavefields based on pupil moments

Colin J. R. Sheppard, Nicole J. Moore, Miguel A. Alonso, 2008 .

High-aperture beams.

C. Sheppard, C J Sheppard, 2001, Journal of the Optical Society of America. A, Optics, image science, and vision.

Apodizing filters for imaging through highly scattering media

Colin J. R. Sheppard, Manjula D. Sharma, C. Sheppard, 1999, Other Conferences.

Observations of dislocations and junction irregularities in bipolar transistors using the OBIC mode of the scanning optical microscope

C. Sheppard, T. Wilson, 1986 .

High-speed focal modulation microscopy using acousto-optical modulators for visualization of thick biological specimens

Guangjun Gao, Shau Poh Chong, Colin J. R. Sheppard, 2011, BiOS.

High-speed focal modulation microscopy using acousto-optical modulators

Shau Poh Chong, Nanguang Chen, K. F. Wong, 2010, Biomedical optics express.

Two‐photon focal modulation microscopy for high‐resolution imaging in deep tissue

C. Sheppard, Yao Zheng, Ke Si, 2018, Journal of biophotonics.

Enhanced volumetric imaging in 2‐photon microscopy via acoustic lens beam shaping

Alberto Diaspro, Paolo Bianchini, Martí Duocastella, 2018, Journal of biophotonics.

Two-photon focal modulation microscopy in turbid media

C. Sheppard, Ke Si, Nanguang Chen, 2011 .

Enhanced background rejection in thick tissue using focal modulation microscopy with quadrant apertures

Colin J. R. Sheppard, Nanguang Chen, Ke Si, 2011 .

Real-Time Focal Modulation Microscopy Combined with Fluorescence Lifetime Imaging

C. Sheppard, Nanguang Chen, S. P. Chong, 2010 .

Edge enhancement for in-phase focal modulation microscope.

C. Sheppard, Ke Si, Nanguang Chen, 2009, Applied optics.

Enhanced Background Rejection in In-Phase Focal Modulation Microscopy

C. Sheppard, Ke Si, Nanguang Chen, 2009 .

Simple spatial phase modulator for focal modulation microscopy

C. Sheppard, Nanguang Chen, S. P. Chong, 2009 .

Image formation in image scanning microscopy, including the case of two-photon excitation.

Alberto Diaspro, Giorgio Tortarolo, Marco Castello, 2017, Journal of the Optical Society of America. A, Optics, image science, and vision.

Three-dimensional second-harmonic generation imaging with femtosecond laser pulses.

R Gauderon, P B Lukins, C. Sheppard, 1998, Optics letters.

Comparison of three‐dimensional imaging properties between two‐photon and single‐photon fluorescence microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1995 .

The scanning harmonic optical microscope

R. Kompfner, C. Sheppard, R. Kompfner, 1977, IEEE Journal of Quantum Electronics.

Improved imaging of phase gradients in scanning optical microscopy

Colin J. R. Sheppard, Tony Wilson, D. K. Hamilton, 1984 .

Optimization of second-harmonic generation microscopy.

R Gauderon, P B Lukins, C. Sheppard, 2001, Micron.

Second-Harmonic Generation Imaging

Colin J. R. Sheppard, Philip B. Lukins, C. Sheppard, 2000 .

Image formation in holographic tomography.

Colin J R Sheppard, Shan Shan Kou, S. Kou, 2008, Optics letters.

Partially coherent microscope in phase space.

Shalin B. Mehta, C. Sheppard, 2018, Journal of the Optical Society of America. A, Optics, image science, and vision.

Partially coherent imaging in phase space

Colin J. R. Sheppard, Shalin B. Mehta, C. Sheppard, 2018, Photonics Europe.

Phase microscope imaging in phase space

Colin J. R. Sheppard, Shalin B. Mehta, C. Sheppard, 2016, SPIE BiOS.

Image Formation and Analysis of Coherent Microscopy and Beyond - Toward Better Imaging and Phase Recovery

Shan Shan Kou, Colin J. R. Sheppard, Shalin B. Mehta, 2011 .

Quantitative Phase Imaging in Microscopy

S. Kou, C. Sheppard, Shalin B Mehta, 2009 .

Optical image encryption based on diffractive imaging.

Xudong Chen, Colin J R Sheppard, Wen Chen, 2010, Optics letters.

Optical color-image encryption and synthesis using coherent diffractive imaging in the Fresnel domain.

Wen Chen, Xudong Chen, Colin J R Sheppard, 2012, Optics express.

Phasor approach of Mueller matrix optical scanning microscopy for biological tissue imaging

C. Sheppard, A. Diaspro, A. Bendandi, 2021, Biophysical journal.

Realistic wave-optics simulation of X-ray phase-contrast imaging at a human scale

W. Paul Segars, Rajiv Gupta, Masami Ando, 2015, Scientific Reports.

Ultra long high resolution beam by multi-zone rotationally symmetrical complex pupil filter.

Nanguang Chen, Janak Singh, Colin J R Sheppard, 2007, Optics express.

Scattering by fractal surfaces with an outer scale

Colin J. R. Sheppard, C. Sheppard, 1996 .

Simultaneous multichannel nonlinear imaging: combined two-photon excited fluorescence and second-harmonic generation microscopy

R Gauderon, P B Lukins, C J Sheppard, 2000, SPIE Photonics Taiwan.

Resolution for off-axis illumination

Colin J. R. Sheppard, Zoltan S. Hegedus, C. Sheppard, 1998 .

Real-time focal modulation microscopy

Shau Poh Chong, Colin J. R. Sheppard, N. G. Chen, 2010, BiOS.

Interpretation of the scattering mechanism for particles in a focused beam

C. Sheppard, Xudong Chen, T. Hoang, 2012 .

Simultaneous dual-contrast three-dimensional imaging in live cells via optical diffraction tomography and fluorescence

P. Marquet, C. Depeursinge, H. Quiney, 2019, Photonics Research.

Label Free Ultra-Sensitive Imaging with Sub-Diffraction Spatial Resolution

James McGrath, Sergey Alexandrov, Peter Owens, 2019, 2019 21st International Conference on Transparent Optical Networks (ICTON).

Temporally focused wide-field two-photon microscopy: paraxial to vectorial.

Colin J R Sheppard, Peter T C So, Elijah Y S Yew, 2013, Optics express.

Two-photon image-scanning microscopy with SPAD array and blind image reconstruction.

Giorgio Tortarolo, Marco Castello, Alberto Tosi, 2020, Biomedical optics express.

Resonant scanning optical microscope.

R Kompfner, C. Sheppard, R. Kompfner, 1978, Applied optics.

Intermediate field behind a nanostructure

C. Sheppard, 2013 .

Nanoillumination based on self-focus and field enhancement inside a subwavelength metallic structure

C. Sheppard, Nanguang Chen, Cheng Liu, 2007 .

Three-dimensional confocal fluorescence imaging under ultrashort pulse illumination

C. Sheppard, T. Tannous, M. Gu, 1995 .

The spatial frequency cut-off in three-dimensional imaging II

C. J. R. Sheppard, C. Sheppard, 1986 .

Effects of system geometry on the axial response of the fibreoptical confocal microscope

Colin J. R. Sheppard, Manjula D. Sharma, C. Sheppard, 1999 .

Image scanning microscopy (ISM) with a single photon avalanche diode (SPAD) array detector

Alberto Diaspro, Giorgio Tortarolo, Marco Castello, 2018, Photonics Europe.

Focus image scanning microscopy for sharp and gentle super-resolved microscopy

C. Sheppard, A. Diaspro, M. Castello, 2022, Nature communications.

Diffraction by striated muscle fibres: application to image modelling

J. Sheridan, C. Sheppard, 1993 .

Imaging with finite values of Fresnel number

Colin J. R. Sheppard, T. Wilson, C. Sheppard, 1982 .

Improvement in resolution by nearly confocal microscopy.

T Wilson, I. Cox, C. Sheppard, 1982, Applied optics.

Fourier imaging of phase information in scanning and conventional optical microscopes

T. Wilson, C. Sheppard, T. Wilson, 1980, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.

Imaging properties of annular lenses.

T Wilson, C. Sheppard, T. Wilson, 1979, Applied optics.

Imaging and Super-resolution in the Harmonic Microscope

Colin J. R. Sheppard, Tony Wilson, C. Sheppard, 1979 .

The theory of scanning microscopes with Gaussian pupil functions

C. Sheppard, T. Wilson, 1978 .

Image Formation in Scanning Microscopes with Partially Coherent Source and Detector

Colin J. R. Sheppard, Tony Wilson, C. Sheppard, 1978 .

Phase imaging in scanning optical microscopes (A)

C. Sheppard, T. Wilson, 1979 .

Focal shift and the axial optical coordinate for high-aperture systems of finite Fresnel number.

Colin J R Sheppard, Peter Török, C. Sheppard, 2003, Journal of the Optical Society of America. A, Optics, image science, and vision.

Electromagnetic imaging in the confocal microscope

J. F. Aguilar, C. Sheppard, 2000 .

Axial resolution in the fibre-optical confocal microscope

Colin J. R. Sheppard, Manjula D. Sharma, C. Sheppard, 1998 .

Holmium-doped optical fiber for filter applications.

C. Sheppard, M. Sharma, 1997, Applied optics.

Effects of Fresnel diffraction on confocal imaging with an annular lens

C. Sheppard, X. Gan, M. Gu, 1997 .

Imaging by a high aperture optical system

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1993 .

Fibre-optical confocal scanning interference microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1993 .

Fluorescent image formation in the fibre-optical confocal scanning microscope

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1992 .

Axial imaging through an aberrating layer of water in confocal microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1992 .

Signal Level of the Fibre-optical Confocal Scanning Microscope

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1991 .

Observation of optical signatures of materials

Ingemar J. Cox, Colin J. R. Sheppard, D. K. Hamilton, 1982 .

Effects of high angles of convergence on V(z) in the scanning acoustic microscope.

Colin J. R. Sheppard, Tony Wilson, C. Sheppard, 1981 .

Intensity Weighted Subtraction Microscopy Approach for Image Contrast and Resolution Enhancement

Alberto Diaspro, Colin J. R. Sheppard, Chiara Peres, 2016, Scientific Reports.

Pixel reassignment in image scanning microscopy: a re-evaluation.

Alberto Diaspro, Giorgio Tortarolo, Marco Castello, 2020, Journal of the Optical Society of America. A, Optics, image science, and vision.

Optical photon reassignment microscopy (OPRA)

Rainer Heintzmann, Kai Wicker, C. Sheppard, 2013, Optical Nanoscopy.

Fractal model of light scattering in biological tissue and cells.

Colin J R Sheppard, C. Sheppard, 2007, Optics letters.

Surface-plasmon-coupled emission microscopy with a spiral phase plate.

Colin J R Sheppard, Euiheon Chung, Peter T C So, 2010, Optics letters.

A complete and computationally efficient numerical model of aplanatic solid immersion lens scanning microscope.

Xudong Chen, Colin J R Sheppard, Krishna Agarwal, 2013, Optics express.

Reconstruction in interferometric synthetic aperture microscopy: comparison with optical coherence tomography and digital holographic microscopy.

C. Depeursinge, S. Kou, C. Sheppard, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

Superresolution along extended depth of focus with binary-phase filters for the Gaussian beam.

Nanguang Chen, Linbo Liu, Frédéric Diaz, 2008, Journal of the Optical Society of America. A, Optics, image science, and vision.

Binary-phase spatial filter for real-time swept-source optical coherence microscopy.

Nanguang Chen, Linbo Liu, Cheng Liu, 2007, Optics letters.

White-light interference microscopy: effects of multiple reflections within a surface film.

C. Sheppard, P. Hariharan, I. Cooper, 2005, Optics express.

Effect of numerical aperture on interference fringe spacing.

C. Sheppard, K. Larkin, C J Sheppard, 1995, Applied optics.

Surface reconstruction using an algorithm based on confocal imaging

Colin J. R. Sheppard, C. Sheppard, J. Quartel, 1996 .

A surface reconstruction algorithm based on confocal interferometric profiling

Colin J. R. Sheppard, C. Sheppard, J. Quartel, 1996 .

Imaging and Reconstruction for Rough Surface Scattering in the Kirchhoff Approximation by Confocal Microscopy

T. J. Connolly, C. Sheppard, M. Gu, 1993 .

Structured illumination microscopy and image scanning microscopy: a review and comparison of imaging properties

C. Sheppard, 2021, Philosophical Transactions of the Royal Society A.

Microscopy using source and detector arrays

Alberto Diaspro, Marco Castello, Giuseppe Vicidomini, 2016, SPIE BiOS.

Imaging of random surfaces and inverse scattering in the Kirchoff approximation

C. Sheppard, 1998 .

Fractional Gouy phase.

Colin J R Sheppard, Elijah Y S Yew, C. Sheppard, 2008, Optics letters.

Effects of using a metal layer in total internal reflection fluorescence microscopy

Colin J. R. Sheppard, Peter T. C. So, Euiheon Chung, 2007 .

Toward the standing wave surface plasmon resonance fluorescence microscopy

Colin J. R. Sheppard, Peter T. C. So, Euiheon Chung, 2007, SPIE BiOS.

The numerical integration of fundamental diffraction integrals for converging polarized spherical waves using a two-dimensional form of Simpson's 1/3 Rule

C. Sheppard, M. Roy, I. Cooper *, 2005 .

Highly convergent focusing of light based on rotating dipole polarization.

Colin J R Sheppard, Shakil Rehman, C. Sheppard, 2011, Applied optics.

Effects of Pupil Functions on Tightly Focused Radially Polarized Beams in Microscopy

C. Sheppard, E. Yew, 2008 .

Absorption effects in optical coherence tomography modeling

Colin J. R. Sheppard, K. M. Tan, T. H. Chow, 2007, European Conference on Biomedical Optics.

Optical microscopy with extended depth of field

Colin J. R. Sheppard, D. K. Hamilton, Ingemar J. Cox, 1983, Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences.

Multipole theory for tight focusing of polarized light, including radially polarized and other special cases.

C. Sheppard, Xudong Chen, T. Hoang, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

Performance parameters for highly-focused electromagnetic waves

Colin J. R. Sheppard, Shakil Rehman, Naveen K. Balla, 2009 .

Three-zone pupil filters

Juan Campos, Colin J. R. Sheppard, Juan C. Escalera, 2008 .

Focal distribution for superresolving toraldo filters

Colin J. R. Sheppard, Michael S. Wheatland, M. Wheatland, 1998 .

Vectors and Fourier transforms in optics

C. Sheppard, 1999 .

Generalized Bessel pulse beams.

Colin J R Sheppard, C. Sheppard, 2002, Journal of the Optical Society of America. A, Optics, image science, and vision.

Linear phase imaging using differential interference contrast microscopy

M R Arnison, C J Cogswell, Matthew R. Arnison, 2004, Journal of microscopy.

Effect of a finite-size pinhole on noise performance in single-, two-, and three-photon confocal fluorescence microscopy.

R Gauderon, C. Sheppard, C J Sheppard, 1999, Applied optics.

Polarization of almost-plane waves.

C. Sheppard, C J Sheppard, 2000, Journal of the Optical Society of America. A, Optics, image science, and vision.

Interferometric polarization coherent anti-Stokes Raman scattering (IP-CARS) microscopy.

Wei Zheng, Zhiwei Huang, Fake Lu, 2008, Optics letters.

Resolution enhancement in nonlinear scanning microscopy through post-detection digital computation

Demetri Psaltis, Colin J. R. Sheppard, Nicolino Stasio, 2014 .

Model for light scattering in biological tissue and cells based on random rough nonspherical particles.

C. Sheppard, Ke Si, W. Gong, 2009, Applied optics.

Modeling phase functions in biological tissue.

Colin J R Sheppard, Ke Si, Wei Gong, 2008, Optics letters.

An ultra-high vacuum reflection scanning electron diffraction system

C. Sheppard, H. Ahmed, 1972 .

Investigation of the point spread function of surface plasmon-coupled emission microscopy.

Colin J R Sheppard, Euiheon Chung, Peter T C So, 2007, Optics express.

An electromagnetic theory of imaging in fluorescence microscopy, and imaging in polarization fluorescence microscopy

Colin J. R. Sheppard, C. Sheppard, P. Török, 1997 .

Optimization of axial resolution in confocal imaging using annular pupils

C. Sheppard, H. Zhou, M. Gu, 1993 .

Multiphoton microscopy: a personal historical review, with some future predictions

Colin J R Sheppard, C. Sheppard, 2020, Journal of biomedical optics.

Transverse-electric and transverse-magnetic beam modes beyond the paraxial approximation.

S Saghafi, C. Sheppard, S. Saghafi, 1999, Optics letters.

Rigorous analytical modeling of high-aperture focusing through a spherical interface.

Xudong Chen, Colin J R Sheppard, Thanh Xuan Hoang, 2013, Journal of the Optical Society of America. A, Optics, image science, and vision.

Resolution of aplanatic solid immersion lens based microscopy.

C. Sheppard, J. Phang, Xudong Chen, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

Dyadic Green's function for aplanatic solid immersion lens based sub-surface microscopy.

Xudong Chen, Colin J R Sheppard, Krishna Agarwal, 2011, Optics express.

Effect of polarization on a solid immersion lens of arbitrary thickness.

Gary C. F. Lee, C. Sheppard, J. Phang, 2011, Journal of the Optical Society of America. A, Optics, image science, and vision.

Optimal Concentration of Electromagnetic Radiation

C. Sheppard, K. Larkin, 1994 .

Scanning methods in optical microscopy

C. Sheppard, 1986 .

Signal-to-Noise in Confocal Microscopes

Colin J. R. Sheppard, Min Gu, Maitreyee Roy, 1995 .

Second harmonic scattering from small particles using Discrete Dipole Approximation.

Colin J R Sheppard, Peter T C So, P. So, 2010, Optics express.

Polarization in reflectance imaging.

C. Sheppard, A. Diaspro, A. Bendandi, 2020, Journal of the Optical Society of America. A, Optics, image science, and vision.

The Fourier Optics of Near-Field Microscopy

C. Sheppard, H. Fatemi, M. Gu, 2006 .

Super-Resolution Fluorescence Microscopy

C. Sheppard, A. Diaspro, F. Cella Zanacchi, 2019, Comprehensive Nanoscience and Nanotechnology.

Improvement in axial resolution by interference confocal microscopy

C. J. R. Sheppard, C. Sheppard, Yunrui Gong, 1991 .

A 3D vectorial optical transfer function suitable for arbitrary pupil functions

Colin J. R. Sheppard, Matthew R. Arnison, C. Sheppard, 2002 .

Pupil filters for extending the field-of-view in light-sheet microscopy.

Michel Verhaegen, Gleb Vdovin, Oleg Soloviev, 2016, Optics letters.

Multipole and plane wave expansions of diverging and converging fields.

C. Sheppard, Xudong Chen, T. Hoang, 2014, Optics express.

Effects of axial field components on second harmonic generation microscopy.

Colin Sheppard, C. Sheppard, E. Yew, 2006, Optics express.

The scanning optical microscope (extracts on near‐field microscopy)—from a 1975 report

P. G. Hale, C. Sheppard, A. Choudhury, 1994 .

The divided aperture technique for microscopy through scattering media.

Ke Si, Wei Gong, C. Sheppard, 2008, Optics express.

Image formation in three‐photon fluorescence microscopy

C. Sheppard, 1996 .

Fundamental reduction of the observation volume in far-field light microscopy by detection orthogonal to the illumination axis: Confocal theta microscopy (Optics Comm. 111 (1994) 536)

Colin J. R. Sheppard, C. Sheppard, 1995 .

Optical transfer function analysis for two-photon 4Pi confocal fluorescence microscopy

C. Sheppard, M. Gu, 1995 .

Improvement of three-dimensional resolution in confocal scanning microscopy by combination of two pupil filters

Pedro Andrés, Colin J. R. Sheppard, Manuel Martínez-Corral, 1998 .

Two-zone pupil filters

Juan Campos, Colin J. R. Sheppard, Juan C. Escalera, 2008 .

Effect of spherical aberration on the imaging properties of scanning optical microscopes.

T Wilson, C. Sheppard, T. Wilson, 1979, Applied optics.

Confocal Interference Microscopy

Colin J. R. Sheppard, D. K. Hamilton, Hubert J. Matthews, 1989, Other Conferences.

Diffraction by a circular aperture: a generalization of Fresnel diffraction theory

Colin J. R. Sheppard, M. Hrynevych, C. Sheppard, 1992 .

Numerical study of effects of light polarization, scatterer sizes and orientations on near-field coherent anti-Stokes Raman scattering microscopy.

C. Sheppard, Wei Zheng, Zhiwei Huang, 2009, Optics express.

Image of a straight edge in fibre-optical confocal scanning microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1992 .

Three-dimensional image formation in confocal fluorescence microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1992, Electronic Imaging.

Three-dimensional coherent transfer functions in fiber-optical confocal scanning microscopes

C. Sheppard, X. Gan, M. Gu, 1991 .

Characterising elegant and standard Hermite–Gaussian beam modes

Colin J. R. Sheppard, James A. Piper, Saiedeh Saghafi, 2001 .

Calculating Point Spread Functions: Methods, Pitfalls and Solutions

C. Sheppard, E. Rohwer, R. Heintzmann, 2023, 2301.13515.

Fresnel diffraction by a circular aperture with off-axis illumination and its use in deconvolution of microscope images.

Colin J R Sheppard, C. Sheppard, I. Cooper, 2004, Journal of the Optical Society of America. A, Optics, image science, and vision.

Superconcentration of light: circumventing the classical limit to achievable irradiance.

Rainer Heintzmann, Colin J R Sheppard, C. Sheppard, 2016, Optics letters.

Cylindrical lenses--focusing and imaging: a review [Invited].

C. Sheppard, 2013, Applied optics.

Imaging in high aperture optical systems

Colin J. R. Sheppard, C. Sheppard, 1993, International Commission for Optics.

Maréchal condition and the effect of aberrations on Strehl intensity.

C. Sheppard, 2014, Optics letters.

Fresnel coefficients for weak reflection, and the scattering potential for three-dimensional imaging

C. Sheppard, F. Aguilar, 1999 .

Near field and far field of elegant Hermite-Gaussian and Laguerre-Gaussian modes

C. Sheppard, S. Saghafi, 1998 .

Aberrations in high aperture optical systems

C. J. R. Sheppard, C. Sheppard, 1997 .

Flattened light beams

C. Sheppard, S. Saghafi, 1996 .

Beam duality, with application to generalized Bessel-Gaussian, and Hermite- and Laguerre- Gaussian beams.

C. Sheppard, 2009, Optics express.

Near-field effects on coherent anti-Stokes Raman scattering microscopy imaging.

Wei Zheng, Zhiwei Huang, Cheng Liu, 2007, Optics express.

Polarized focused vortex beams: half-order phase vortices.

C. Sheppard, 2014, Optics express.

Bessel beams: Effects of polarization

Colin J. R. Sheppard, Elijah Y. S. Yew, Shakil Rehman, 2009 .

Optimized Amplitude Filtering for Superresolution Over a Restricted FieldI. Achievement of Maximum Central Irradiance under an Energy Constraint

Colin J. R. Sheppard, C. Sheppard, Trevor D. Wilson, 1980 .

Limitations of superoscillation filters in microscopy applications.

Jani Tervo, Jari Turunen, Colin J R Sheppard, 2012, Optics letters.

Second harmonic generation polarization microscopy with tightly focused linearly and radially polarized beams

Colin J. R. Sheppard, Elijah Y. S. Yew, C. Sheppard, 2007 .

Characterization of the second harmonic signal from collagen

Colin J. R. Sheppard, Paul Xu, Guy C. Cox, 2003, SPIE BiOS.

Scanning optical microscopy

T Wilson, C. Sheppard, 2020, Advances in Imaging and Electron Physics.

Diffraction of a focused wave by an aperture: a new perspective.

C. Sheppard, 2015, Journal of the Optical Society of America. A, Optics, image science, and vision.

Full-wave approach for x-ray phase imaging.

George Barbastathis, Colin J R Sheppard, Yongjin Sung, 2013, Optics express.

Interpretation of the optical transfer function: Significance for image scanning microscopy.

Alberto Diaspro, Marco Castello, Giuseppe Vicidomini, 2016, Optics express.

Effects of Fresnel number in focusing and imaging

Colin J. R. Sheppard, Peter Torok, C. Sheppard, 1999, Other Conferences.

Dependence of focal shift on Fresnel number and angular aperture.

C. Sheppard, P. Török, 1998, Optics Letters.

Aberrations in high aperture conventional and confocal imaging systems.

C. Sheppard, C J Sheppard, 1988, Applied optics.

The optics of microscopy

C. Sheppard, 2007 .

Beam modes beyond the paraxial approximation: A scalar treatment

Colin J. R. Sheppard, C. Sheppard, S. Saghafi, 1998 .

Calculation of the volumetric diffracted field with a three-dimensional convolution: the three-dimensional angular spectrum method.

S. Kou, C. Sheppard, Jiao Lin, 2013, Optics letters.

Reconstruction in interferometric synthetic aperture microscopy: comparison with optical coherence tomography and digital holographic microscopy.

C. Depeursinge, S. Kou, C. Sheppard, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

Binary phase filters with a maximally-flat response.

Colin J. R. Sheppard, C. Sheppard, 2011, Optics letters.

Comparison of three dimensional transfer function analysis of alternative phase imaging methods

Colin J. R. Sheppard, Shan Shan Kou, S. Kou, 2007, SPIE BiOS.

Spatial frequency content of focused ultrashort pulsed beams*Spatial frequency content of focused ultrashort pulsed beams

C. Sheppard, M. Sharma, 2002 .

Wigner function for nonparaxial wave fields.

C. Sheppard, K. Larkin, 2001, Journal of the Optical Society of America. A, Optics, image science, and vision.

Wigner function and ambiguity function for nonparaxial wavefields

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 2001, SPIE Defense + Commercial Sensing.

Wigner function for highly convergent three-dimensional wave fields.

C. Sheppard, K. Larkin, 2001, Optics letters.

Comment on “The uncertainty principle applied to estimate focal spot dimensions” [Opt. Commun. 173 (2000) 51]☆

C. Sheppard, K. Larkin, 2001 .

Three-dimensional transfer functions

Colin J. R. Sheppard, C. Sheppard, 2000, International Topical Meeting on Education and Training in Optics and Photonics.

Direct Method for Phase Retrieval from the Intensity of Cylindrical Wavefronts

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 1999, Signal Recovery and Synthesis.

Three-dimensional transfer functions in 4Pi confocal microscopes

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1994 .

Three-dimensional coherent transfer functions for confocal imaging with unequal annular lenses

C. Sheppard, M. Gu, 1993 .

Three-dimensional Coherent Transfer Function in Reflection-mode Confocal Microscopy Using Annular Lenses

C. Sheppard, M. Gu, 1992 .

Wavefront Coding Fluorescence Microscopy Using High Aperture Lenses

Carol J. Cogswell, Colin J. R. Sheppard, Matthew R. Arnison, 2003 .

The three-dimensional transfer function and phase space mappings

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 2001 .

Vectorial pupil functions and vectorial transfer functions

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 1997 .

Three topics in Zernike polynomials

Colin J. R. Sheppard, C. Sheppard, 2004, SPIE Photonics Europe.

Improved axial resolution in confocal fluorescence microscopy using annular pupils

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1994 .

THREE-DIMENSIONAL OPTICAL TRANSFER FUNCTION FOR CIRCULAR AND ANNULAR LENSES WITH SPHERICAL ABERRATION AND DEFOCUS

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1994 .

Effects of a Finite-sized Pinhole on 3D Image Formation in Confocal Two-photon Fluorescence Microscopy

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1993 .

Three-dimensional optical transfer function in a fiber-optical confocal fluorescence microscope using annular lenses

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1992 .

Approximation to the three-dimensional optical transfer function

Colin J. R. Sheppard, Min Gu, C. Sheppard, 1991 .

Multiple Traversing of the Object in the Scanning Microscope

T. Wilson, C. Sheppard, T. Wilson, 1980 .

Electromagnetic Gaussian beams beyond the paraxial approximation

Colin J. R. Sheppard, C. Sheppard, S. Saghafi, 1999 .

Electric and magnetic dipole beam modes beyond the paraxial approximation

C. Sheppard, S. Saghafi, 1999 .

Three-dimensional Optical Transfer Function for Weak Aberrations

Colin J. R. Sheppard, C. Sheppard, M. Hole, 1995 .

Three-level filter for increased depth of focus and Bessel beam generation

Karsten Rottwitt, Nail Akhmediev, Shalin B. Mehta, 2012 .

Focus optimization with binary wave-front coding

Nanguang Chen, B. Loiseaux, J.-P. Huignard, 2008, 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science.

Real-time High Resolution Optical Coherence Microscopy with a Phase Shifting Apodizer

C. Sheppard, Nanguang Chen, Linbo Liu, 2007, 2007 IEEE/ICME International Conference on Complex Medical Engineering.

Monochromatic scalar fields with maximum focal irradiance.

Nicole J. Moore, C. Sheppard, M. Alonso, 2007, Journal of the Optical Society of America. A, Optics, image science, and vision.

A two-dimensional theory of volume holograms with electric polarization in the plane of the grating

C. Sheppard, L. Solymar, 1979 .

The scattering potential for imaging in the reflection geometry

T. J. Connolly, C. Sheppard, M. Gu, 1995 .

Confocal imaging of thin films

Colin J. R. Sheppard, T. J. Connolly, T. J. Connolly, 1994, Electronic Imaging.

Improvement of axial resolution and contrast in temporally focused widefield two-photon microscopy with structured light illumination

Sergio Fantini, Colin J. R. Sheppard, Peter T. C. So, 2013, Biomedical optics express.

Resonant scanning optical microscope.

C. Sheppard, R. Kompfner, 1978, Applied optics.

Leaky annular pupils for improved axial imaging

C. J. R. Sheppard, C. Sheppard, 1995 .

Background Rejection in Two-Photon Fluorescence Image Scanning Microscopy

E. Slenders, C. Sheppard, A. Diaspro, 2023, Photonics.

Similarity theorems for fractional Fourier transforms and fractional Hankel transforms

Kieran G. Larkin, Colin J. R. Sheppard, C. Sheppard, 1998 .

Easy Two-Photon Image-Scanning Microscopy with Spad Array and Blind Image Reconstruction

E. Slenders, M. Ameloot, M. Buttafava, 2019, bioRxiv.

Coupled and uncoupled dipole models of nonlinear scattering.

P. So, C. Sheppard, N. Balla, 2012, Optics express.

Effect of a confocal pinhole in two‐photon microscopy

C. Sheppard, C. Sheppard, P. Lukins, 1999, Microscopy research and technique.

The extended-focus, auto-focus and surface-profiling techniques of confocal microscopy

Colin J. R. Sheppard, C. Sheppard, H. J. Matthews, 1988 .

Tight Focusing of Light

C. Sheppard, 2014, Photonics.

Filter performance parameters for vectorial high-aperture wave fields.

Colin J R Sheppard, M Martinez-Corral, C. Sheppard, 2008, Optics letters.

Monochromatic electromagnetic fields with maximum focal energy density.

Nicole J. Moore, C. Sheppard, M. Alonso, 2007, Journal of the Optical Society of America. A, Optics, image science, and vision.

Validity of the Debye approximation.

C. Sheppard, C J Sheppard, 2000, Optics letters.

The image of a single point in microscopes of large numerical aperture

C. Sheppard, T. Wilson, 1982, Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences.

Electromagnetic field in the focal region of an electric dipole wave

Colin J. R. Sheppard, Peter Török, C. Sheppard, 1997 .