H. Zappe

H. Zappe, A. Seifert, S. Thiele, 2015, 2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS).

Muscular MEMS—the engineering of liquid crystal elastomer actuators

H. Zappe, B. Khatri, S. Schuhladen, 2016 .

Forward-looking OCT endomicroscope based on a compact Fourier-plane piezo fiber scanner

H. Zappe, Ç. Ataman, S. Kretschmer, 2017, 2017 International Conference on Optical MEMS and Nanophotonics (OMN).

In situ, spatially variable photoalignment of liquid crystals inside a glass cell using brilliant yellow

H. Zappe, Jasleen Lall, 2022, Photonics Europe.

Predicting the performance of photonic luminescent solar concentrators

H. Zappe, J. Goldschmidt, J. Gutmann, 2013, 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).

Experimental investigation of 3D plasmon talbot effect

H. Zappe, Yiting Yu, 2014, The 9th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS).

Tunable Optical Filter

D. Hohlfeld, H. Zappe, T. Bechtold, 2005 .

Electro-optically tunable single-frequency lasing from neodymium-doped lithium niobate microresonators

Simon J. Herr, K. Buse, I. Breunig, 2022, Optics Express.

Phaseguide-based optofluidic router for parallel analysis of serum samples

D. Kopp, A. Llobera, H. Zappe, 2015, 2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS).

Structuring of liquid crystal elastomer actuators with selective polymerization for MEMS devices

H. Zappe, Jasleen Lall, 2022, OPTO.

Compact tunable mid-infrared Fabry–Pérot filters actuated by liquid crystal elastomers

H. Zappe, Yannick Folwill, Ziyu Wang, 2020, Journal of Micromechanics and Microengineering.

Fundamentals of Micro-Optics: Diffractive micro-optics

H. Zappe, 2010 .

Manufacturing and assembly of an all-glass OCT microendoscope

H. Zappe, Ç. Ataman, Gerardo González-Cerdas, 2021, Journal of Micromechanics and Microengineering.

Investigation of optical losses in photoelastic and ridge waveguides in GaAs-AlGaAs heterostructures

J. Epler, H. Zappe, S. Lau, 1996, IEEE Photonics Technology Letters.

Mems-Processed Artificial Muscles with Freely-Programmable Actuation Direction

Sanket B. Shah, H. Zappe, Yannick Folwill, 2019, 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII).

Advances in Pockels-effect-based adiabatic frequency conversion in lithium niobate high-Q optical microresonators

K. Buse, I. Breunig, H. Zappe, 2021, 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).

Planar semiconductor lasers using the photoelastic effect

C. Tu, P. Yu, H. Zappe, 1998 .

Three-dimensional all-fluidic imaging systems

D. Kopp, H. Zappe, Alex Dorn, 2017, 2017 22nd Microoptics Conference (MOC).

Flexible conjugate adaptive optics with a refractive wavefront modulator

H. Zappe, Ç. Ataman, K. Banerjee, 2022, BiOS.

Compact refractive objective add-on for adaptive optics microscopy

H. Zappe, K. Banerjee, Alex Dorn, 2022, BiOS.

MEMS-compatible structuring of liquid crystal network actuators using maskless photolithography

H. Zappe, Jasleen Lall, 2022, Smart Materials and Structures.

Piezoelectric PVDF actuated, lightweight deformable thin mirror for adaptive optics

H. Zappe, Ç. Ataman, K. Banerjee, 2016, 2016 International Conference on Optical MEMS and Nanophotonics (OMN).

Pockels-effect-based adiabatic frequency conversion in ultrahigh-Q microresonators.

K. Buse, I. Breunig, H. Zappe, 2019, Optics express.

Sensitivity enhancement of polymeric Mach–Zehnder interferometers by use of thin high-index films

H. Zappe, C. Mueller, D. Ristau, 2017 .

Flory-Huggins swelling of polymer Bragg mirrors

H. Zappe, W. Mönch, J. Dehnert, 2006 .

Temperature characterization of integrated optical all-polymer Mach-Zehnder interferometers

H. Zappe, Yanfen Xiao, M. Hofmann, 2016 .

Adaptive micro-lenses based on electro-wetting

H. Zappe, F. Krogmann, W. Mönch, 2005 .

Tunable fluidic lens with a dynamic high-order aberration control.

H. Zappe, Pengpeng Zhao, D. Sauter, 2021, Applied Optics.

Subcutaneous blood pressure monitoring with an implantable optical sensor

Y. Manoli, H. Zappe, A. Seifert, 2013, Biomedical Microdevices.

Device characteristics of mosfets in MeV implanted substrates

C. Hu, H. Zappe, 1987 .

Quasi-phase-matched nonlinear optical frequency conversion in on-chip whispering galleries

Ingo Breunig, Hans Zappe, Karsten Buse, 2018, Optica.

Mechanisms for the emission of visible light from GaAs field‐effect transistors

H. Zappe, D. As, 1990 .

Electroluminescence from Gunn domains in GaAs/AlGaAs heterostructure field‐effect transistors

H. Zappe, C. Moglestue, 1990 .

Fiber optic tunable probe for endoscopic optical coherence tomography

Hans Zappe, Andreas Seifert, Khaled Aljasem, 2008 .

In situ sensors for flow reactors – a review

R. Dittmeyer, H. Zappe, B. Ladewig, 2021, Reaction Chemistry & Engineering.

Smart artificial muscle actuators: Liquid crystal elastomers with integrated temperature feedback

Hans Zappe, Sebastian Petsch, Rudolf Zentel, 2015 .

An Optofiuidic Refractive Phase Modulator with an Electrostatic 2D Actuator Array

Hans Zappe, Pouya Rajaeipour, Kaustubh Banerjee, 2018, 2018 International Conference on Optical MEMS and Nanophotonics (OMN).

A low-cost 25-actuator electrostatic deformable mirror with polyimide membrane for adaptive optics microscopy

Hans Zappe, Pouya Rajaeipour, Kaustubh Banerjee, 2018, OPTO.

Comparison of optical coherence tomography angiography and narrow-band imaging using a bimodal endoscope

Wolfgang Drexler, Hans Zappe, Laurin Ginner, 2019, Journal of biomedical optics.

Real-time tissue differentiation based on optical emission spectroscopy for guided electrosurgical tumor resection.

Hans Zappe, Andreas Seifert, Dominik Spether, 2015, Biomedical optics express.

Phase shifting in the spatial frequency domain

Morteza Hajimahmoodzadeh, Hans Zappe, Hamid Reza Fallah, 2016 .

Hot-electron electroluminescence in GaAs transistors

H. Zappe, H P Zappe, 1992 .

Elastomeric lenses with tunable astigmatism

Hans Zappe, Sebastian Petsch, H. Zappe, 2013, Light: Science & Applications.

Miniaturized Fourier-plane fiber scanner for OCT endoscopy

Caglar Ataman, Sergio Vilches, Hans Zappe, 2017 .

Scattering-loss reduction of ridge waveguides by sidewall polishing.

Ingo Breunig, Hans Zappe, Karsten Buse, 2018, Optics express.

Cascaded second-order optical nonlinearities in on-chip micro rings.

Ingo Breunig, Hans Zappe, Karsten Buse, 2017, Optics express.

Electro-optically tunable single-frequency lasing from neodymium-doped lithium niobate microresonators.

Simon J. Herr, K. Buse, I. Breunig, 2022, Optics express.

Quantum-well intermixing for fabrication of lasers and photonic integrated circuits

Daniel Hofstetter, Hans Zappe, H. Zappe, 1998 .

Single-growth-step GaAs/AlGaAs distributed Bragg reflector lasers with holographically-defined recessed gratings

Daniel Hofstetter, Hans Zappe, J. E. Epler, 1994 .

Continuous-Wave Operation of Phase-Coupled Vertical - Cavity Surface-Emitting Laser Arrays

Hans Zappe, Eli Kapon, Michael Moser, 2000 .

Carrier transport in HEMT's analyzed by high-field electroluminescence

H. Zappe, D. As, 1991, IEEE Electron Device Letters.

Electroluminescence from Gunn Domains in GaAs MESFETS as a Means of Defect Detection

H. Zappe, W. Jantz, 1990 .

Low-Power Organic Light Sensor Array Based on Active-Matrix Common-Gate Transimpedance Amplifier on Foil for Imaging Applications

Yiannos Manoli, Hans Zappe, Joachim N. Burghartz, 2020, IEEE Journal of Solid-State Circuits.

Design and optimization of a miniaturized imaging probe for simultaneous endomicroscopy and optical coherence tomography

Caglar Ataman, Sergio Vilches, Hans Zappe, 2017, BiOS.

An endoscopic microscope with liquid-tunable aspheric lenses for continuous zoom capability

Caglar Ataman, Hans Zappe, Pengpeng Zhao, 2014, Photonics Europe.

Gravity-immune liquid-filled tunable lens with reduced spherical aberration.

Hans Zappe, Pengpeng Zhao, Çağlar Ataman, 2016, Applied optics.

Compact OCT probe for flexible endoscopy enabled by piezoelectric scanning of a fiber/lens assembly

Caglar Ataman, Hans Zappe, Simon Kretschmer, 2019, OPTO.

Operation of CMOS devices with a floating well

Chenming Hu, H.P. Zappe, R.K. Gupta, 1987, IEEE Transactions on Electron Devices.

Understanding Photomechanical Behavior of Liquid Crystalline‐Based Actuators

H. Zappe, Jasleen Lall, 2023, Macromolecular materials and engineering (Print).

All-liquid dual-lens optofluidic zoom system.

Hans Zappe, Daniel Kopp, Tamara Brender, 2017, Applied optics.

Development of an Implantable Pulse Oximeter

Claudia Heilmann, Hans Zappe, Katharina Förster, 2008, IEEE Transactions on Biomedical Engineering.

Subcutaneous blood pressure monitoring with an implantable optical sensor

Yiannos Manoli, Claudia Heilmann, Hans Zappe, 2013, Biomedical microdevices.

Accelerated electrowetting-based tunable fluidic lenses.

H. Zappe, Pengpeng Zhao, Yang Li, 2021, Optics express.

Cascading optofluidic phase modulators for performance enhancement in refractive adaptive optics

Hans Zappe, Pouya Rajaeipour, Alex Dorn, 2020 .

Combined Twyman-Green and Mach-Zehnder interferometer for microlens testing.

Hans Zappe, Stephan Reichelt, H. Zappe, 2005, Applied optics.

Electric microwave absorption for the study of GaAs/AlGaAs heterostructure systems

H. Zappe, W. Jantz, 1990 .

Magnetron Dry Etching for Photonic Device Fabrication

Hans Zappe, R. Widmer, Hans W. Lehmann, 1993 .

Multiwavelength tissue-mimicking phantoms with tunable vessel pulsation

H. Zappe, Sophie Jenne, 2023, Journal of biomedical optics.

An implantable optical blood pressure sensor based on pulse transit time

H. Zappe, A. Seifert, F. Beyersdorf, 2013, Biomedical microdevices.

The engineered eyeball, a tunable imaging system using soft-matter micro-optics

Hans Zappe, Sebastian Petsch, H. Zappe, 2016, Light: Science & Applications.

Micro-optics: a micro-tutorial

Hans Zappe, H. Zappe, 2012 .

Stretchable Optoelectronic Circuits Embedded in a Polymer Network

Hans Zappe, Johannes Ruhhammer, Dominic Ruh, 2014, Advanced materials.

High-throughput injection molding of transparent fused silica glass

H. Zappe, F. Kotz, D. Helmer, 2021, Science.

Development of a Clinical-Grade OCT/OCT-Angiography Endomicroscope for Imaging in the Bladder

H. Zappe, Ç. Ataman, Gerardo González-Cerdas, 2021, International Conference on Solid-State Sensors, Actuators and Microsystems.

Glass 3D printing for ultra-miniaturized endoscopic optical systems

Hans Zappe, Simon Kretschmer, Çağalar Ataman, 2019, 2019 24th Microoptics Conference (MOC).

A bimodal endoscopic imager in a glass package

Caglar Ataman, Sergio Vilches, Hans Zappe, 2018, Journal of Micromechanics and Microengineering.

Integration and biocompatible packaging of multi-modal endoscopic imagers using 3D glass micro structuring

Sergio Vilches, Çağlar Ataman, Hans Zappe, 2018, OPTO.

Fundamentals of Micro-Optics

Hans Zappe, H. Zappe, 2010 .

Micro-structured glass probe for endoscopic Optical Coherence Tomography

H. Zappe, Ç. Ataman, S. Kretschmer, 2020 .

Optical displacement measurement using a monolithic Michelson interferometer

Hans Zappe, Daniel Hofstetter, H. Zappe, 1997, Photonics West.

Optical displacement measurement with GaAs/AlGaAs-based monolithically integrated Michelson interferometers

Daniel Hofstetter, Hans Zappe, R. Dandliker, 1997 .

Optical DisplacementMeasurement with GaAs/AlGaAs-BasedMonolithically IntegratedMichelson Interferometers

R. Dändliker, H. Zappe, D. Hofstetter, 1998 .

Semiconductor Integrated Photonic Transducer Chip for High-Resolution Displacement Measurement

Hans Zappe, Daniel Hofstetter, H. Zappe, 1997 .

Monolithically integrated optical displacement sensor in GaAs/AlGaAs

R. Dändliker, H. Zappe, D. Hofstetter, 1995 .

Multiple wavelength Fabry–Pérot lasers fabricated by vacancy‐enhanced quantum well disordering

Daniel Hofstetter, Hans Zappe, P. Riel, 1995 .

Ridge waveguide DBR laser with nonabsorbing grating and transparent integrated waveguide

J. Epler, H. Zappe, D. Hofstetter, 1995 .

Modular Optofluidic Systems (MOPS)

Hans Zappe, Andreu Llobera, Tobias N. Ackermann, 2016, Biophotonics Australasia.

Materials, effects and components for tunable micro‐optics

Hans Zappe, Wolfgang Mönch, Christoph Friese, 2007 .

Experimental investigation on the lensing and Talbot effects of finite-sized 2D periodic metallic nanoaperture arrays

Yiting Yu, Hans Zappe, Xiaoyun Zhang, 2016, SPIE OPTO.

Theory and implementation of focal shift of plasmonic lenses.

H. Zappe, Yiting Yu, 2012, Optics letters.

Robustness investigation of nanoslit-based plasmonic lenses

H. Zappe, Yiting Yu, 2011, 16th International Conference on Optical MEMS and Nanophotonics.

Concepts for compact mid-IR spectroscopy in photochemistry

Ziyu Wang, Hans Zappe, Phuong-Ha Cu-Nguyen, 2016, SPIE/COS Photonics Asia.

Ultrathin Alvarez lens system actuated by artificial muscles.

S Sinzinger, A Grewe, H. Zappe, 2016, Applied optics.

Wafer-scale fabricated thermo-pneumatically tunable microlenses

Wei Zhang, Hans Zappe, Andreas Seifert, 2014, Light: Science & Applications.

Temperature-dependence of polymer grating couplers for single-mode waveguides

Pei Li, Hans Zappe, Maher Rezem, 2018, OPTO.

Bandgap tuning of photonic crystals by polymer swelling

H. Zappe, W. Monch, P. Waibel, 2008, 2008 IEEE/LEOS International Conference on Optical MEMs and Nanophotonics.

Seventh-order wavefront modulation with a gravity-neutral optofluidic deformable phase plate

Hans Zappe, Pouya Rajaeipour, Kaustubh Banerjee, 2021, Journal of Optical Microsystems.

Chromatic aberration control for tunable all-silicone membrane microlenses.

Hans Zappe, Andreas Seifert, Daniel Mader, 2011, Optics express.

Membrane-based aberration-corrected tunable micro-lenses

Philipp Waibel, Hans Zappe, Andreas Seifert, 2010, Photonics Europe.

Micro-optical medical monitoring

H. Zappe, 2009, 2009 International Symposium on Micro-NanoMechatronics and Human Science.

Tunable liquid micro-lens system

H. Zappe, H. Zappe, F. Krogmann, 2005, The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05..

Repositionable liquid micro-lenses with variable focal length

H. Zappe, H. Zappe, F. Krogmann, 2007, 2007 IEEE 20th International Conference on Micro Electro Mechanical Systems (MEMS).

Polymers with customizable optical and rheological properties for printable single-mode waveguides

H. Zappe, T. Hanemann, U. Gleißner, 2015 .

Implantable multi sensor system for in vivo monitoring of cardiovascular parameters

P. Woias, H. Zappe, A. Seifert, 2009, TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference.

Simultaneous beam steering and shaping using a single-interface optofluidic component

Hans Zappe, Daniel Sauter, Pengpeng Zhao, 2021, Journal of Optical Microsystems.

Fully refractive adaptive optics fluorescence microscope using an optofluidic wavefront modulator.

H. Zappe, Ç. Ataman, K. Banerjee, 2020, Optics express.

Optimization-based real-time open-loop control of an optofluidic refractive phase modulator.

Çağlar Ataman, Hans Zappe, Pouya Rajaeipour, 2019, Applied optics.

Tubular Focus-Tunable Fluidic Lens Based on Structured Polyimide Foils

Hans Zappe, Daniel Kopp, D. Kopp, 2016, IEEE Photonics Technology Letters.

An Optofluidic Concept for a Tunable Micro-iris

Nils Spengler, H. Zappe, W. Mönch, 2010, Journal of Microelectromechanical Systems.

MEMS analogous micro-patterning of thermotropic nematic liquid crystalline elastomer films using a fluorinated photoresist and a hard mask process

Hans Zappe, David Ditter, Rudolf Zentel, 2017 .

Endoscopic pyrometric temperature sensor.

H. Zappe, Ç. Ataman, S. Vilches, 2020, Optics letters.

Electromagnetic simulations of a photonic luminescent solar concentrator.

H. Zappe, M. Hermle, A. Gombert, 2012, Optics express.

Towards photonic luminescent solar concentrators

Hans Zappe, Benedikt Bläsi, Johannes Gutmann, 2011, Optics + Photonics for Sustainable Energy.

Printable Bragg Gratings for Polymer-based Temperature Sensors

Hans Zappe, Stanislav Sherman, H. Zappe, 2014 .

A versatile fabrication process for reaction injection molded elastomeric micro-lenses

H. Zappe, S. Petsch, P. Liebetraut, 2012, 2012 International Conference on Optical MEMS and Nanophotonics.

Variable optofluidic slit aperture

Ulrike Wallrabe, Hans Zappe, Moritz Stürmer, 2016, Light: Science & Applications.

Reactive-ion-etch damage in GaAs processing evaluated by a microwave absorption technique

H. Zappe, G. Kaufel, 1991 .

Spectral response of Bragg gratings in multimode polymer waveguides.

H. Zappe, S. Sherman, Aditya Bhuvaneshwaran, 2017, Applied optics.

Fully fiber-optic intensity modulator for large-core, high-NA multi-mode fibers

Sergio Vilches, Hans Zappe, Sivaram Sivaprakash, 2021 .

Sealing method of PDMS as elastic material for MEMS

S. Konishi, S. Sawano, A. Werber, 2008, 2008 IEEE 21st International Conference on Micro Electro Mechanical Systems.

Photonic sensing of arterial distension.

Hans Zappe, Johannes Ruhhammer, Dominic Ruh, 2016, Biomedical optics express.

Tubular astigmatism-tunable fluidic lens.

Hans Zappe, Daniel Kopp, D. Kopp, 2016, Optics letters.

A GaAs/AlGaAs-based refractometer platform for integrated optical sensing applications

Hans Zappe, Rino E. Kunz, Johannes Edlinger, 1997 .

Quantum well engineering for semiconductor integrated optical sensors

Hans Zappe, Daniel Hofstetter, Hazel E.G. Arnot, 1994, Integrated Optoelectronics.

Technology and devices for hybrid and monolithically integrated optical sensors

Hans Zappe, Rino E. Kunz, H. Zappe, 1994 .

Thermally tunable optical filter array

Hans Zappe, Dennis Hohlfeld, Matthias Epmeier, 2003, SPIE OPTO.

A two-step Fabry-Perot filter array in mid-infrared wavelength range for integration with photochemical microreactors

H. Zappe, Z. Wang, Phuong-Ha Cu-Nguyen, 2020 .

Implantable Impedance Plethysmography

Yiannos Manoli, Claudia Heilmann, Hans Zappe, 2014, Sensors.

A 37-actuator polyimide deformable mirror with electrostatic actuation for adaptive optics microscopy

H. Zappe, Ç. Ataman, K. Banerjee, 2019, Journal of Micromechanics and Microengineering.

Compact all-in-line adaptive optics fluorescence microscope using an optofluidic phase modulator

Hans Zappe, Pouya Rajaeipour, Alex Dorn, 2019, 2019 International Conference on Optical MEMS and Nanophotonics (OMN).

Iris‐Like Tunable Aperture Employing Liquid‐Crystal Elastomers

H. Zappe, S. Schuhladen, Falko Preller, 2014, Advanced materials.

A thermotropic liquid crystal elastomer micro-actuator with integrated deformable micro-heater

H. Zappe, B. Khatri, S. Schuhladen, 2014, 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS).

Implantable accelerometer system for the determination of blood pressure using reflected wave transit time

Yiannos Manoli, Claudia Heilmann, Hans Zappe, 2014 .

Tunable hyperchromatic lens system for confocal hyperspectral sensing.

Stefan Sinzinger, Hans Zappe, Andreas Seifert, 2013, Optics express.

Highly compact imaging using Bessel beams generated by ultraminiaturized multi-micro-axicon systems.

Hans Zappe, Andreas Seifert, Niklas Weber, 2012, Journal of the Optical Society of America. A, Optics, image science, and vision.

Tunable photonic crystals on a freestanding polymer membrane

Yongjin Wang, H. Zappe, W. Mönch, 2009 .

Multi-Point Fiber-Optic Distance Sensor for Endoscopic Surgery Monitoring

H. Zappe, Ç. Ataman, S. Vilches, 2023, IEEE Photonics Technology Letters.

Lock-in amplification for implantable multiwavelength pulse oximeters

Hans Zappe, Dominic Ruh, Andreas Seifert, 2013, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

Closed-loop multiconjugate adaptive optics for microscopy

Çağlar Ataman, Hans Zappe, Karen M. Hampson, 2020, BiOS.

Optical MEMS: From Micromirrors to Complex Systems

Luke P. Lee, R. Howe, O. Solgaard, 2014, Journal of Microelectromechanical Systems.

Inkjet printed single-mode waveguides on hot-embossed foils

Hans Zappe, Yanfen Xiao, Meike Hofmann, 2015, SPIE Optical Systems Design.

Implantable pulse oximetry on subcutaneous tissue

Yiannos Manoli, Claudia Heilmann, Hans Zappe, 2014, 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.