Manfred Rothhardt

发表

Guidelines for the characterization and use of fibre optic sensors: basic definitions and a proposed standard for FBG-based strain sensors

Francis Berghmans, Moshe Tur, Luc Thévenaz, 2009, International Conference on Optical Fibre Sensors.

Inscription of first order fiber Bragg gratings in sapphire fibers by 400 nm femtosecond laser pulses

Hartmut Bartelt, Manfred Rothhardt, Tino Elsmann, 2013, Europe Optics + Optoelectronics.

High-mechanical-strength single-pulse draw tower gratings

Christoph Chojetzki, Manfred Rothhardt, Hans Rainer Mueller, 2004, Photonics North.

Combined microfiber knot resonator and focused ion beam-milled Mach-Zehnder interferometer for refractive index measurement

André D. Gomes, Orlando Frazão, Manfred Rothhardt, 2017, 2017 25th Optical Fiber Sensors Conference (OFS).

Characterization of fiber Bragg grating-based sensor array for high resolution manometry

Jan Mehner, Hartmut Bartelt, Manfred Rothhardt, 2012, Photonics Europe.

Arrays of Regenerated Fiber Bragg Gratings in Non-Hydrogen-Loaded Photosensitive Fibers for High-Temperature Sensor Networks

Johan Vlekken, Sven A. Brueckner, Hartmut Bartelt, 2009, Sensors.

P6.7 - Fiber Optic Sensing System for Monitoring of Current Collectors and Catenary of Railways

Hartmut Bartelt, W. Ecke, Manfred Rothhardt, 2016 .

High birefringence triangular optical nanowire in suspended-core fiber for temperature sensing

Orlando Frazão, Hartmut Bartelt, Kay Schuster, 2013 .

Fibre optic sensing system for monitoring of current collectors and overhead contact lines of railways

Uwe Richter, Wolfgang Ecke, Hartmut Bartelt, 2017 .

Characterization of chirped phase masks for UV applications by writing and investigation of fiber Bragg gratings

Manfred Rothhardt, Hans-Joerg Fuchs, Ruediger Poehlmann, 1997, Other Conferences.

UV Bragg grating inscription in germanium-doped photonic crystal fibers

Hugo Thienpont, Francis Berghmans, Thomas Geernaert, 2010, Photonics Europe.

Microstrutured fibers with germanium doped core components

Jens Kobelke, Kay Schuster, Yiping Wang, 2009, Optics + Optoelectronics.

Laser processed preforms for microstructured optical fibers

Jens Kobelke, Dieter Hoffmann, Hartmut Bartelt, 2013, Iberoamerican Meeting of Optics and the Latin American Meeting of Optics, Lasers and Their Applications.

Faser-Bragg-Gitter für Hochtemperaturanwendungen (Fiber Bragg Gratings for High Temperature Sensing Applications)

Daniel Betz, Manfred Rothhardt, Christoph Chojetzki, 2004 .

Dynamic Multiwavelength Optical Reflection Filter Induced in a Suspended-Core Fiber Bragg Grating by Amplitude Modulated Acoustic Waves

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

Lifetime of fiber Bragg gratings under cyclic fatigue

Daniel Betz, Urs Sennhauser, Manfred Rothhardt, 1999, Optics East.

Temperature and strain characterization of Bragg gratings impressed with femtosecond laser radiation in suspended-silica-core fibers

Orlando Frazão, Paulo Marques, Jens Kobelke, 2009, Photonics North.

Optical sapphire fiber Bragg gratings as high temperature sensors

Reinhardt Willsch, Hartmut Bartelt, Manfred Rothhardt, 2013, Other Conferences.

Discretely tunable Tm-doped fiber-based MOPA using FBG arrays as spectral filters

H. Bartelt, Matthias Jäger, Manfred Rothhardt, 2016, LASE.

Regenerated draw tower grating (DTG) temperature sensors

John Canning, Hartmut Bartelt, Manfred Rothhardt, 2011, International Conference on Optical Fibre Sensors.

Fiber Bragg grating arrays for high resolution manometry

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2009, International Conference on Optical Fibre Sensors.

Multi-wavelength reflection spectra from an acousto-optic modulated fiber Bragg grating in a highly birefringent suspended core fiber

Hartmut Bartelt, Alexandre A. P. Pohl, Manfred Rothhardt, 2017, 2017 25th Optical Fiber Sensors Conference (OFS).

Draw tower fiber Bragg gratings and their use in sensing technology

H. Bartelt, Kay Schuster, Sven Brückner, 2011, Defense + Commercial Sensing.

Saphir-Faser-Bragg-Gitter für die Hochtemperatursensorik

Manfred Rothhardt, Tino Elsmann, Tobias Habisreuther, 2017 .

Smart current collector?fibre optic hit detection system for improved security on railway tracks

Thomas Bosselmann, Wolfgang Ecke, Manfred Rothhardt, 2013 .

Regeneration of fiber Bragg gratings in photosensitive fibers without hydrogen loading

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2009, International Conference on Optical Fibre Sensors.

Multimode Fabry–Perot Interferometer Probe Based on Vernier Effect for Enhanced Temperature Sensing

André D. Gomes, Orlando Frazão, Hartmut Bartelt, 2019, Sensors.

Fiber Bragg grating inscription in optical multicore fibers

Jens Kobelke, Kay Schuster, Ines Latka, 2015, International Conference on Optical Fibre Sensors.

Fiber Bragg filters For laser- and multicore fibers

Manfred Rothhardt, Tino Elsmann, Adrian Lorenz, 2017, Optics + Optoelectronics.

Advanced fabrication and calibration of high-temperature sensor elements based on sapphire fiber Bragg gratings

Reinhardt Willsch, Hartmut Bartelt, Manfred Rothhardt, 2014, Other Conferences.

MAMMUT: mirror vibration metrology for VLTI

Andrea Richichi, Reinhard Geiss, Thomas Pertsch, 2010, Astronomical Telescopes + Instrumentation.

Tailored draw tower fiber Bragg gratings for various sensing applications

H. Bartelt, Reinhardt Willsch, Kay Schuster, 2012, Asia Pacific Optical Sensors Conference.

Fiber Bragg grating transverse load sensors using suspended core fibers for directional dependent strain measurement

Jens Kobelke, Kay Schuster, Kevin P. Chen, 2011, International Conference on Optical Fibre Sensors.

Fiber probe microcavities for refractive index and temperature discrimination

Orlando Frazão, Hartmut Bartelt, Manfred Rothhardt, 2016, European Workshop on Optical Fibre Sensors.

Interferometric inscription of volume Bragg gratings in a commercial high-refractive index glass (S-TIH53) by 400 nm femtosecond (fs) laser pulses

H. Bartelt, Alexander Hartung, Manfred Rothhardt, 2012, Photonics Europe.

Bragg grating fabrication on tapered fiber tips based on focused ion beam milling

Orlando Frazão, Hartmut Bartelt, Hamid Latifi, 2015, International Conference on Optical Fibre Sensors.

Simple and monolithic picosecond pulse shaper based on fiber Bragg gratings

Jens Limpert, Andreas Tünnermann, H. Bartelt, 2010, LASE.

Spatially resolved in-core temperature measurement in rare-earth doped fibers during pumping

Hartmut Bartelt, Matthias Jäger, Anka Schwuchow, 2014, OPTO.

Fiber Bragg grating inscription with DUV femtosecond exposure and two beam interference

Paulo Marques, Hartmut Bartelt, Jens Kobelke, 2009, Photonics North.

First order fiber Bragg grating inscription with femtosecond laser and reflection wavelengths from visible to infrared

Hartmut Bartelt, Anka Schwuchow, Sebastian Dochow, 2014, Other Conferences.

Homogeneous catheter for esophagus high-resolution manometry using fiber Bragg gratings

Jan Mehner, Manfred Rothhardt, Martin Becker, 2010, BiOS.

In-fiber temperature measurement during optical pumping of Yb-doped laser fibers

Hartmut Bartelt, Manfred Rothhardt, Martin Leich, 2012, Other Conferences.

Strain characterization of suspended-core fiber tapers

Orlando Frazão, H. Bartelt, Kay Schuster, 2012, Other Conferences.

Fiber Bragg grating inscription with UV femtosecond exposure and two beam interference for fiber laser applications

Hartmut Bartelt, Jens Kobelke, Kay Schuster, 2010, Photonics North.

Growth and stability of UV and VIS femtosecond written fiber Bragg gratings in different rare earth doped fibers

Hartmut Bartelt, Sven Brückner, Manfred Rothhardt, 2011, Photonics North.

Discretely tunable thulium-doped fiber-based polarization-maintaining master oscillator power amplifier using fiber Bragg grating arrays as spectral filters

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2016 .

Regenerated single pulse fiber Bragg gratings for high temperature sensing

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2012, Asia Pacific Optical Sensors Conference.

160W single-mode single-frequency Yb-doped fiber laser with fiber Bragg grating inscribed by UV femtosecond exposure and two beam interference

Hartmut Bartelt, Sven Brückner, Manfred Rothhardt, 2011, Photonics North.

Electrically tunable fiber-integrated Yb-doped laser covering 74 nm based on a fiber Bragg grating array

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2015, Photonics West - Lasers and Applications in Science and Engineering.

Multi-path interferometer structures with cleaved silica microspheres

André D. Gomes, Fatemeh Karami, Hartmut Bartelt, 2018, Optical Engineering + Applications.

Tunable Yb-doped fiber laser based on a FBG array and a theta ring resonator ensuring a constant repetition rate (Conference Presentation)

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2017, LASE.

Trends and future of fiber Bragg grating sensing technologies: tailored draw tower gratings (DTGs)

Kay Schuster, Jörg Bierlich, Alexander Hartung, 2014, Photonics Europe.

Regenerated fiber Bragg gratings in non-hydrogen-loaded photosensitive fibers for high-temperature sensor networks

H. Bartelt, Sven Brückner, Manfred Rothhardt, 2010, Defense + Commercial Sensing.

Optical Bragg grating sensor fibers for ultra-high temperature applications

Hartmut Bartelt, Kay Schuster, Manfred Rothhardt, 2015, Asia Pacific Optical Sensors Conference.

An Electron Beam Profile Instrument Based on FBGs

Dan Sporea, Andrei Stancalie, Manfred Rothhardt, 2014, 2014 Third Mediterranean Photonics Conference.

Characterization and calibration of shape sensors based on multicore optical fibre

Hartmut Bartelt, Manfred Rothhardt, Ignazio Floris, 2021 .

Ultra-compact acousto-optic modulator of a fibre Bragg grating in a highly birefringent suspended core fibre

David J. Webb, Hartmut Bartelt, Manfred Rothhardt, 2021, Optics + Optoelectronics.

In situ FBG inscription during fiber laser operation.

Matthias Jäger, Manfred Rothhardt, Sylvia Jetschke, 2013, Optics letters.

Spectral characteristics of draw-tower step-chirped fiber Bragg gratings

Kay Schuster, Hartmut Bartelt, Manfred Rothhardt, 2016 .

UV-induced photodarkening and photobleaching in UV-femtosecond-pulse-written fibre Bragg gratings

Hartmut Bartelt, Manfred Rothhardt, Sylvia Jetschke, 2013 .

Single-Mode Multicore Fibers With Integrated Bragg Filters

Jens Kobelke, Kay Schuster, Ines Latka, 2016, Journal of Lightwave Technology.

Fiber-integrated concept to electrically tune pulsed fiber lasers based on step-chirped fiber Bragg grating arrays.

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2015, Optics express.

Laser-drilled free-form silica fiber preforms for microstructured optical fibers

Jens Kobelke, Kay Schuster, Hartmut Bartelt, 2013 .

Mechanical resistance of draw-tower-Bragg-grating sensors

Manfred Rothhardt, Oskar Krumpholz, Volker Hagemann, 1998 .

Novel Fiber-Optic Relative Humidity Sensor With Thermal Compensation

Alexander Hartung, Hartmut Bartelt, Manfred Rothhardt, 2015, IEEE Sensors Journal.

Generation and characterization of first order fiber Bragg gratings with Bragg wavelengths in the visible spectral range

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2008 .

Fiber Bragg grating inscription in few-mode highly birefringent microstructured fiber.

Krzysztof Skorupski, Pawel Mergo, Hartmut Bartelt, 2013, Optics letters.

Discrete tuning concept for fiber-integrated lasers based on tailored FBG arrays and a theta cavity layout.

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2017, Optics letters.

Raman-on-chip device and detection fibres with fibre Bragg grating for analysis of solutions and particles.

Jens Kobelke, Kay Schuster, Ines Latka, 2013, Lab on a chip.

Post-hydrogen-loaded draw tower fiber Bragg gratings and their thermal regeneration.

John Canning, Hartmut Bartelt, Sven Brückner, 2011, Applied optics.

Inscription of first-order sapphire Bragg gratings using 400 nm femtosecond laser radiation.

Hartmut Bartelt, Manfred Rothhardt, Tino Elsmann, 2013, Optics express.

Fabrication and applications of Draw Tower Gratings

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2016 .

Sensing properties of fiber Bragg gratings in small-core Ge-doped photonic crystal fibers

Jens Kobelke, Reinhardt Willsch, Wolfgang Ecke, 2009 .

Fiber Bragg Gratings in the Visible Spectral Range With Ultraviolet Femtosecond Laser Inscription

Hartmut Bartelt, Anka Schwuchow, Sebastian Dochow, 2014, IEEE Photonics Technology Letters.

Chirped Phase Mask Interferometer for Fiber Bragg Grating Array Inscription

Ines Latka, Hartmut Bartelt, Manfred Rothhardt, 2015, Journal of Lightwave Technology.

Fiber Bragg grating inscription in pure-silica and Ge-doped photonic crystal fibers.

Jens Kobelke, Hartmut Bartelt, Manfred Rothhardt, 2009, Applied optics.

Bragg Grating Inscription in GeO $_2$-Doped Microstructured Optical Fibers

Hugo Thienpont, Francis Berghmans, Thomas Geernaert, 2010, Journal of Lightwave Technology.

Enhancing sensitivity of photonic crystal fiber interferometric humidity sensor by the thickness of SnO2 thin films

Kay Schuster, Francisco J. Arregui, Joseba Zubia, 2017 .

Thermal regeneration of fiber Bragg gratings in photosensitive fibers.

Hartmut Bartelt, Sven Brückner, Manfred Rothhardt, 2009, Optics express.

High temperature sensing with fiber Bragg gratings in sapphire-derived all-glass optical fibers.

Kay Schuster, Jörg Bierlich, Hartmut Bartelt, 2014, Optics express.

Suspended-core fiber Bragg grating sensor for directional-dependent transverse stress monitoring.

Jens Kobelke, Kay Schuster, Kevin P. Chen, 2011, Optics letters.

Towards a monolithic fiber laser with deep UV femtosecond-induced fiber Bragg gratings

Hartmut Bartelt, Sven Brückner, Manfred Rothhardt, 2011 .

Splicing Ge-doped photonic crystal fibers using commercial fusion splicer with default discharge parameters.

Jens Kobelke, Reinhardt Willsch, Wolfgang Ecke, 2008, Optics express.

Focused ion beam post-processing of optical fiber Fabry-Perot cavities for sensing applications.

Orlando Frazão, Hartmut Bartelt, Denis Donlagic, 2014, Optics express.

High Temperature Sensing with Fiber Bragg Gratings in Sapphire Fibers

Hartmut Bartelt, Manfred Rothhardt, Tino Elsmann, 2014 .

Photonic crystal fiber interferometer coated with a PAH/PAA nanolayer as humidity sensor

Kay Schuster, Francisco J. Arregui, Joseba Zubia, 2017 .

Electrically Tunable Multiwavelength Bragg Grating Filter Acoustically Induced in a Highly Birefringent Suspended Core Fiber

Hartmut Bartelt, Alexandre A. P. Pohl, Manfred Rothhardt, 2017, IEEE Photonics Journal.

Simultaneous measurement of temperature and refractive index using focused ion beam milled Fabry-Perot cavities in optical fiber micro-tips.

Orlando Frazão, Stephen C Warren-Smith, Hartmut Bartelt, 2016, Optics express.

Generation and Characterization of Fiber Bragg Gratings with Bragg Wavelengths in VIS and their Application in Sensor Technology

Wolfgang Ecke, Hartmut Bartelt, Manfred Rothhardt, 2007 .

Fiber Bragg gratings in hole-assisted multicore fiber for space division multiplexing.

T. Tenderenda, Pawel Mergo, Leszek R. Jaroszewicz, 2014, Optics letters.

Single-pulse fiber Bragg gratings and specific coatings for use at elevated temperatures.

Kay Schuster, Ines Latka, Hartmut Bartelt, 2007, Applied optics.

Simulation of Acousto-Optical Modulation of Fiber Bragg Gratings in Suspended Core Fibers

Alexander Hartung, Hartmut Bartelt, Alexandre A. P. Pohl, 2013 .

Alignment-free, all-spliced fiber laser source for CARS microscopy based on four-wave-mixing.

Jens Limpert, Andreas Tünnermann, Jürgen Popp, 2012, Optics express.

Fiber-optical high-resolution esophagus manometry based on drawing-tower fiber Bragg gratings

Hartmut Bartelt, Manfred Rothhardt, Martin Becker, 2010 .

Temperature independent refractive index measurement using a fiber Bragg grating on abrupt tapered tip

Orlando Frazão, Manfred Rothhardt, Martin Becker, 2018 .

Detailed numerical investigation of the interaction of longitudinal acoustic waves with fiber Bragg gratings in suspended-core fibers

Alexander Hartung, Hartmut Bartelt, Alexandre A. P. Pohl, 2015 .

All-fiber time-delay spectrometer for simultaneous spectral and temporal laser pulse characterization in the nanosecond range.

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2013, Applied optics.

100 W average power femtosecond laser at 343 nm.

Jens Limpert, Andreas Tünnermann, Marco Kienel, 2016, Optics letters.

Thermal regenerated type IIa fiber Bragg gratings for ultra-high temperature operation

John Canning, Hartmut Bartelt, Sven Brückner, 2011 .

Reflectivity and Bandwidth Modulation of Fiber Bragg Gratings in a Suspended Core Fiber by Tunable Acoustic Waves

Alexander Hartung, Hartmut Bartelt, Alexandre A. P. Pohl, 2014, IEEE Photonics Journal.

All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength.

Hartmut Bartelt, Matthias Jäger, Manfred Rothhardt, 2015, Optics express.