Mr. Martin Gebhardt Profile

Martin Gebhardt

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Author

Publications (29)

Proceedings Article | 8 March 2023 Presentation + Paper

132 W, 1.3 mJ, sub-two-cycle pulses at 1.8 μm wavelength

Ziyao Wang, Tobias Heuermann, Martin Gebhardt, Mathias Lenski, Philipp Gierschke, Robert Klas, Cesar Jauregui, Jens Limpert

Proceedings Volume 12400, 1240016 (2023) https://doi.org/10.1117/12.2650282

KEYWORDS: Short wave infrared radiation, Fiber lasers, Nonlinear optics, High power fiber lasers, Ultrafast lasers

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Proceedings Article | 8 March 2023 Presentation + Paper

188 W average power coherently combined Tm-doped fiber laser system delivering ultrashort pulses with 1.86 mJ energy

Tobias Heuermann, Ziyao Wang, Mathias Lenski, Martin Gebhardt, Christian Gaida, Mahmoud Abdelaal, Joachim Buldt, Michael Müller, Arno Klenke, Jens Limpert

Proceedings Volume 12400, 124000E (2023) https://doi.org/10.1117/12.2650327

KEYWORDS: Ultrafast lasers, Coherent beam combination, Laser systems engineering, Fiber lasers, Short wave infrared radiation

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Proceedings Article | 8 March 2023 Presentation + Paper

Highly efficient, in-band pumped thulium-doped fibers for high-power ultrafast 2 µm wavelength laser systems

Mathias Lenski, Tobias Heuermann, Martin Gebhardt, Ziyao Wang, Christian Gaida, César Jáuregui, Jens Limpert

Proceedings Volume 12400, 124000N (2023) https://doi.org/10.1117/12.2650475

KEYWORDS: Thulium, High power fiber amplifiers, High power fiber lasers, Ultrafast lasers, Fiber lasers, Fiber amplifiers, Laser systems engineering, Photonic crystal fibers, Emission wavelengths

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Proceedings Article | 4 March 2022 Presentation

Coherently combined Tm doped fiber laser with 130 W of average power at 1.3 mJ of pulse energy

Tobias Heuermann, Ziyao Wang, Mathias Lenski, Martin Gebhardt, Christian Gaida, Arno Klenke, Michael Müller, Christian Grebing, Jens Limpert

Proceedings Volume PC11981, PC1198108 (2022) https://doi.org/10.1117/12.2610359

KEYWORDS: Thulium, Fiber lasers, Fiber amplifiers, Pulsed laser operation, X-rays, Ultrafast phenomena, Terahertz radiation, Singular optics, Short wave infrared radiation, Optical amplifiers

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Proceedings Article | 4 March 2022 Presentation

200 W average power, ultrafast fiber CPA with 400 µJ pulse energy at 2 µm central wavelength

Christian Gaida, Fabian Stutzki, Martin Gebhardt, Tobias Heuermann, Sven Breitkopf, Oliver Herrfurth, Jan Rothhardt, Tino Eidam, Jens Limpert

Proceedings Volume PC11980, PC1198006 (2022) https://doi.org/10.1117/12.2608635

KEYWORDS: Ultrafast phenomena, Ultrafast lasers, Laser systems engineering, High power lasers, Semiconductor lasers, Mid-IR, Laser applications, Fiber lasers, Fiber amplifiers, Diodes

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Proceedings Article | 5 March 2021 Presentation

Long-term stable 120W fiber CPA with 1.3GW peak power at 2µm

Christian Gaida, Fabian Stutzki, Martin Gebhardt, Tobias Heuermann, Sven Breitkopf, Jan Rothhardt, Tino Eidam, Jens Limpert

Proceedings Volume 11676, 116760N (2021) https://doi.org/10.1117/12.2577478

KEYWORDS: Laser systems engineering, Pulsed laser operation, Laser stabilization, High power lasers, Energy efficiency, Ultrafast lasers, Thulium, Laser applications, Fiber lasers, Fiber amplifiers

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Proceedings Article | 5 March 2021 Presentation

High repetition rate high harmonic generation with ultra-high photon flux

Maxim Tschernajew, Steffen Haedrich, Robert Klas, Martin Gebhardt, Roland Horsten, Sven Weerdenburg, Sergey Pyatchenkov, Wim Coene, Christian Gaida, Sven Breitkopf, Jan Rothhardt, Tino Eidam, Jens Limpert

Proceedings Volume 11676, 116761C (2021) https://doi.org/10.1117/12.2577496

KEYWORDS: High harmonic generation, Coherence imaging, X-rays, Ultrafast phenomena, Statistical analysis, Laser applications, Fiber lasers, Extreme ultraviolet

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Proceedings Article | 5 March 2021 Presentation + Paper

High repetition rate high-order harmonic generation up to the carbon K-edge in an antiresonant hollow-core fiber

Martin Gebhardt, Tobias Heuermann, Robert Klas, Alexander Kirsche, Chang Liu, Ziyao Wang, Mathias Lenski, Christian Gaida, Cesar Jauregui, Jose Antonio-Lopez, Axel Schülzgen, Rodrigo Amezcua-Correa, Jan Rothhardt, Jens Limpert

Proceedings Volume 11676, 116761D (2021) https://doi.org/10.1117/12.2578529

KEYWORDS: Carbon, X-rays, High harmonic generation, Ultrafast phenomena, Ultrafast laser spectroscopy, Spectroscopy, Fiber lasers, Coherence imaging, Absorption spectroscopy, X-ray sources

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Proceedings Article | 5 March 2021 Presentation

CEO-stable pulses from a 1kW fiber CPA

Evgeny Shestaev, Steffen Haedrich, Nico Walther, Tamas Nagy, Peter Simon, Andreas Blumenstein, Arno Klenke, Robert Klas, Joachim Buldt, Henning Stark, Martin Gebhardt, Sven Breitkopf, Christian Gaida, Péter Jójárt, Imre Seres, Zoltán Várallyay, Ádám Börzsönyi, Tino Eidam, Jens Limpert

Proceedings Volume 11676, 116760K (2021) https://doi.org/10.1117/12.2577617

KEYWORDS: Pulsed laser operation, Laser systems engineering, Light sources, Amplifiers

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Proceedings Article | 5 March 2021 Presentation

Silicon laser dicing with picosecond pulses at 2-µm wavelength

Markus Blothe, Maxime Chambonneau, Tobias Heuermann, Martin Gebhardt, Jens Limpert, Stefan Nolte

Proceedings Volume 11673, 116730L (2021) https://doi.org/10.1117/12.2579333

KEYWORDS: Silicon, Picosecond phenomena, Semiconductor lasers, Semiconducting wafers, Laser development, Wafer-level optics, Wafer dicing, Microelectronics, Fiber lasers, Femtosecond phenomena

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Proceedings Article | 21 February 2020 Paper

Soft x-ray high order harmonic generation driven by high repetition rate ultrafast thulium-doped fiber lasers

Martin Gebhardt, Tobias Heuermann, Ziyao Wang, Mathias Lenski, Christian Gaida, Robert Klas, Alexander Kirsche, Steffen Hädrich, Jan Rothhardt, Jens Limpert

Proceedings Volume 11260, 112600U (2020) https://doi.org/10.1117/12.2546151

KEYWORDS: Fiber lasers, Laser systems engineering, Argon, X-rays, Ultrafast phenomena, Pulsed laser operation, Spectroscopy, Optical filters, Aluminum, Harmonic generation

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Proceedings Article | 21 February 2020 Paper

Watt-class optical parametric amplification driven by a thulium doped fiber laser in the molecular fingerprint region

Tobias Heuermann, Martin Gebhardt, Ziyao Wang, Christian Gaida, Fréderic Maes, Cesar Jauregui, Jens Limpert

Proceedings Volume 11260, 112600I (2020) https://doi.org/10.1117/12.2546203

KEYWORDS: Crystals, Nonlinear crystals, Mid-IR, Fiber lasers, Optical amplifiers, High power fiber amplifiers

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Proceedings Article | 21 February 2020 Paper

108 W average power ultrashort pulses with GW-level peak power from a Tm-doped fiber CPA system

Ziyao Wang, Tobias Heuermann, Martin Gebhardt, Christian Gaida, Cesar Jauregui, Jens Limpert

Proceedings Volume 11260, 112600K (2020) https://doi.org/10.1117/12.2546591

KEYWORDS: Fiber lasers, Fiber amplifiers, Amplifiers, Laser systems engineering, Mid-IR, Ultrafast lasers, Optical amplifiers

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Proceedings Article | 7 March 2019 Paper

High power frequency comb delivered by a Tm-doped fiber laser

Evgeny Shestaev, Christian Gaida, Tobias Heuermann, Martin Gebhardt, Thomas Butler, Daniel Gerz, Nikolai Lilienfein, Phillipp Sulzer, Marc Fischer, Ronald Holzwarth, Alfred Leitenstorfer, Ioachim Pupeza, Jens Limpert

Proceedings Volume 10897, 108970I (2019) https://doi.org/10.1117/12.2510529

KEYWORDS: Frequency combs, Interferometers, Fiber lasers, Mid-IR, Laser systems engineering, Feedback signals, Fluctuations and noise

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Proceedings Article | 7 March 2019 Paper

High-power ultrafast Tm-doped fiber lasers for the generation of mid-infrared radiation in the molecular fingerprint region

Tobias Heuermann, Martin Gebhardt, Christian Gaida, Ioachim Pupeza, Jens Limpert

Proceedings Volume 10897, 108970H (2019) https://doi.org/10.1117/12.2510497

KEYWORDS: Mid-IR, Amplifiers, Fiber lasers, Difference frequency generation, Molecular lasers, Spectroscopy, Crystals, Ultrafast phenomena, Life sciences

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Proceedings Article | 7 March 2019 Paper

Observation of transverse-mode instabilities in a thulium-doped fiber amplifier

Christian Gaida, Martin Gebhardt, Tobias Heuermann, Ziyao Wang, Fabian Stutzki, Cesar Jauregui, Jens Limpert

Proceedings Volume 10897, 1089702 (2019) https://doi.org/10.1117/12.2509714

KEYWORDS: Fiber lasers, Fiber amplifiers, Ultrafast phenomena, Optical amplifiers, Photonic crystal fibers, Laser systems engineering, Semiconductor lasers, Continuous wave operation, Thermography, Laser damage threshold

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Proceedings Article | 7 March 2019 Paper

Tm:fiber CPA driven nonlinear pulse compression stage delivering multi-GW, sub-10 fs pulses at 20 W of average power

Martin Gebhardt, Christian Gaida, Tobias Heuermann, Cesar Jauregui, Jose Antonio-Lopez, Axel Schulzgen, Rodrigo Amezcua-Correa, Jan Rothhardt, Jens Limpert

Proceedings Volume 10897, 108971E (2019) https://doi.org/10.1117/12.2509650

KEYWORDS: Fiber lasers, Dispersion, Ultrafast phenomena, Laser sources, Laser systems engineering, Short wave infrared radiation, Mid-IR, Pulsed laser operation, Silica, Photonics

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Proceedings Article | 4 March 2019 Open Access

Coherent mid-infrared spectroscopy driven by 2-µm femtosecond lasers (Conference Presentation)

Thomas Butler, Daniel Gerz, Christina Hofer, Marinus Huber, Wolfgang Schweinberger, Jia Xu, Nikolai Lilienfein, Christian Gaida, Tobias Heuermann, Martin Gebhardt, Evgeny Shestaev, Jens Limpert, Ferenc Krausz, Ioachim Pupeza

Proceedings Volume 10902, 109020U (2019) https://doi.org/10.1117/12.2514851

KEYWORDS: Femtosecond phenomena, Mid-IR, Spectroscopy, Laser spectroscopy, Infrared spectroscopy, Infrared radiation, Infrared lasers, Molecular spectroscopy, Temporal coherence, Infrared detectors

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Proceedings Article | 26 February 2018 Paper

Nonlinear pulse compression stage delivering 43-W few-cycle pulses with GW peak-power at 2-µm wavelength

Martin Gebhardt, Christian Gaida, T. Heuermann, F. Stutzki, C. Jauregui, J. Antonio-Lopez, A. Schüuzgen, R. Amezcua-Correa, A. Tünnermann, J. Limpert

Proceedings Volume 10512, 105120V (2018) https://doi.org/10.1117/12.2288685

KEYWORDS: Laser systems engineering, Ultrafast phenomena, Fiber lasers, Laser sources, Mid-IR, Pulsed laser operation, Ionization, Absorption, Atmospheric propagation, Refractive index

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Proceedings Article | 22 February 2017 Presentation + Paper

Towards sub-100 fs multi-GW pulses directly emitted from a Thulium-doped fiber CPA system

C. Gaida, M. Gebhardt, F. Stutzki, C. Jauregui, J. Limpert, A. Tünnermann

Proceedings Volume 10083, 100830C (2017) https://doi.org/10.1117/12.2252390

KEYWORDS: Thulium, Ultrafast lasers, Fiber amplifiers, Pulsed laser operation, Fiber lasers, Optical fibers, Laser systems engineering, Absorption, Humidity, Mid-IR, Amplifiers, Picosecond phenomena, Laser spectroscopy

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Proceedings Article | 22 February 2017 Presentation + Paper

Self-protecting nonlinear compression in a solid fiber for long-term stable ultrafast lasers at 2 µm wavelength

Fabian Stutzki, Christian Gaida, Martin Gebhardt, Cesar Jauregui, Jens Limpert, Andreas Tünnermann, Ioachim Pupeza

Proceedings Volume 10083, 100830D (2017) https://doi.org/10.1117/12.2252662

KEYWORDS: Solids, Mid-IR, Fiber amplifiers, Ultrafast lasers, Fiber lasers, Pulsed laser operation, Laser systems engineering, YAG lasers, Medium wave, Laser applications, Complex systems, Silica

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Proceedings Article | 22 February 2017 Paper

High-average power 4 GW pulses with sub-8 optical cycles from a Tm-doped fiber laser driven nonlinear pulse compression stage

Martin Gebhardt, Christian Gaida, Fabian Stutzki, Steffen Hädrich, Cesar Jauregui, Jens Limpert, Andreas Tünnermann

Proceedings Volume 10083, 100830B (2017) https://doi.org/10.1117/12.2251833

KEYWORDS: Mid-IR, Fiber amplifiers, Complex systems, Capillaries, Fiber lasers, Nonlinear optics, Ultrafast phenomena, Nitrogen, Pulsed laser operation, Laser sources, Silica

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Proceedings Article | 11 March 2016 Paper

Self-compression to 24 MW peak power in a fused silica solid-core fiber using a high-repetition rate thulium-based fiber laser system

Martin Gebhardt, Christian Gaida, Fabian Stutzki, Steffen Hädrich, Cesar Jauregui, Jens Limpert, Andreas Tünnermann

Proceedings Volume 9728, 97282H (2016) https://doi.org/10.1117/12.2212353

KEYWORDS: Ultrafast phenomena, Pulsed laser operation, Fiber amplifiers, Fiber lasers, Laser systems engineering, Thulium, Physics, Kerr effect, Ultrafast lasers

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Proceedings Article | 4 March 2015 Paper

Peak power scaling of thulium-doped ultrafast fiber laser systems

Martin Gebhardt, Christian Gaida, Fabian Stutzki, Cesar Jauregui, Jens Limpert, Andreas Tünnermann

Proceedings Volume 9344, 93441N (2015) https://doi.org/10.1117/12.2079095

KEYWORDS: Atmospheric propagation, Absorption, Ultrafast phenomena, Humidity, Fiber lasers, Laser systems engineering, Wave propagation, Beam propagation method, Distortion, Fiber amplifiers

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Proceedings Article | 4 March 2015 Paper

Sub-700fs pulses at 152 W average power from a Tm-doped fiber CPA system

Christian Gaida, Fabian Stutzki, Martin Gebhardt, Florian Jansen, Andreas Wienke, Uwe Zeitner, Frank Fuchs, Cesar Jauregui, Dieter Wandt, Dietmar Kracht, Jens Limpert, Andreas Tünnermann

Proceedings Volume 9344, 93441K (2015) https://doi.org/10.1117/12.2079056

KEYWORDS: Fiber lasers, Fiber amplifiers, Oscillators, Ultrafast phenomena, Laser systems engineering, Optical amplifiers, Medium wave, Thermal effects, Dielectric polarization, Diffraction

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Proceedings Article | 9 June 2014 Paper

Thulium fiber laser and application development

Lawrence Shah, Christian Gaida, Martin Gebhardt, Alex Sincore, Joshua Bradford, Nils Gehlich, Ilya Mingareev, Martin Richardson

Proceedings Volume 9081, 90810H (2014) https://doi.org/10.1117/12.2053297

KEYWORDS: Fiber lasers, Laser development, Laser applications, YAG lasers, Fiber amplifiers, Optical amplifiers, Defense and security, Mid-IR, Optical parametric oscillators, Thulium

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Proceedings Article | 6 March 2014 Paper

Utilizing the transparency of semiconductors via "backside" machining with a nanosecond 2 um Tm:fiber laser

Nils Gehlich, Tobias Bonhoff, Laura Sisken, Mark Ramme, Christian Gaida, Martin Gebhardt, Ilya Mingareev, Lawrence Shah, Martin Richardson

Proceedings Volume 8968, 89680W (2014) https://doi.org/10.1117/12.2040306

KEYWORDS: Semiconducting wafers, Silicon, Gallium arsenide, Semiconductors, Semiconductor lasers, Laser processing, Transparency, Absorption, Pulsed laser operation, Scanning electron microscopy

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Proceedings Article | 22 March 2013 Paper

Peak power scaling in Tm doped fiber lasers to MW-level

Christian Gaida, Martin Gebhardt, Pankaj Kadwani, Lasse Leick, Jes Broeng, Lawrence Shah, Martin Richardson

Proceedings Volume 8601, 86012Y (2013) https://doi.org/10.1117/12.2004467

KEYWORDS: Thulium, Fiber lasers, Mirrors, Oscillators, Reflectivity, Amplifiers, Diffraction, Optical amplifiers, Cladding, Photonics

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Proceedings Article | 9 March 2013 Paper

Silicon backside machining using a nanosecond 2-µm Tm:fiber laser

Lawrence Shah, Tobias Bonhoff, Thomas Ferhat, Ashraf El-Sherif, Mark Ramme, Christina C. Willis, Matthieu Baudelet, Pankaj Kadwani, Christian Gaida, Martin Gebhardt, Ilya Mingareev, Martin Richardson

Proceedings Volume 8612, 861207 (2013) https://doi.org/10.1117/12.2004878

KEYWORDS: Silicon, Semiconductor lasers, Semiconducting wafers, Oscillators, Laser ablation, Pulsed laser operation, Laser damage threshold, Laser applications, Laser systems engineering, Optical parametric oscillators

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Showing 5 of 29 publications

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