High-Flux Synchrotron Alternatives Driven by Powerful Long-Wavelength Fiber Lasers

Gas-plasma-based generation of broadband terahertz radiation with 640 mW average power

Author(s): Joachim Buldt, Henning Stark, Michael Müller, Christian Grebing, César Jauregui, Jens Limpert
Published in: Optics Letters, Issue 46 (20), 2021, Page(s) 5256-5259, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/ol.442374

Continuously tunable high photon flux high harmonic source

Author(s): Alexander Kirsche; Martin Gebhardt; Robert Klas; Lucas Eisenbach; Wilhelm Eschen; Joachim Buldt; Henning Stark; Jan Rothhardt; Jens Limpert
Published in: Optics express 31(2), 2744 - (2023). doi:10.1364/OE.474668, Issue 3, 2023, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.474668

Agile spectral tuning of high order harmonics by interference of two driving pulses

Author(s): Schuster, V.; V. Hilbert, R. Klas, C. Liu, M. Tschernajew, B. Bernhardt, J. Rothhardt, J. Limpert
Published in: Optics Express, Issue 29 (14), 2021, Page(s) 22117-22126, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.424024

Inband-pumped, high-power thulium-doped fiber amplifiers for an ultrafast pulsed operation

Author(s): Mathias Lenski; Tobias Heuermann; Martin Gebhardt; Ziyao Wang; Christian Gaida; César Jauregui; Jens Limpert
Published in: Optics express 30(24), 44270 (2022). doi:10.1364/OE.476160, Issue 1, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.476160

Highly efficient nonlinear compression of mJ pulses at 2 μm wavelength to 20 fs in a gas-filled multi-pass cell

Author(s): Lucas Eisenbach, Ziyao Wang, Jan Schulte, Tobias Heuermann, Peter Russbüldt, Rudolf Meyer, Philipp Gierschke, Mathias Lenski, Muneo Sugiura, Koichi Tamura, Jens Limpert, Constantin Häfner
Published in: Journal of Physics: Photonics, Issue 6, 2024, Page(s) 035015, ISSN 2515-7647
Publisher: IOP Publishing
DOI: 10.1088/2515-7647/ad4cc4

500 W rod-type 4 × 4 multicore ultrafast fiber laser

Author(s): Arno Klenke; Albrecht Steinkopff; Christopher Aleshire; Cesar Jauregui; Stefan Kuhn; Johannes Nold; Christian Hupel; Sigrun Hein; Steffen Schulze; Nicoletta Haarlammert; Thomas Schreiber; Andreas Tünnermann; Jens Limpert
Published in: Optics Letters, Issue 47 (2), 2022, Page(s) 345-348, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.445302

Analysis of optical core-to-core coupling: challenges and opportunities in multicore fiber amplifiers

Author(s): Albrecht Steinkopff; Christopher Aleshire; Arno Klenke; Cesar Jauregui; Jens Limpert
Published in: Optics express 31(17), 28564 (2023). doi:10.1364/OE.498460, Issue 8, 2023, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.498460

Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

Author(s): M. Gebhardt, T. Heuermann, R. Klas, C. Liu, A. Kirsche, M. Lenski, Z. Wang, C. Gaida, J. E. Antonio-Lopez, A. Schülzgen, R. Amezcua-Correa, J. Rothhardt, J. Limpert
Published in: Light: Science & Applications, Issue 10/1, 2021, ISSN 2047-7538
Publisher: Springer Nature
DOI: 10.1038/s41377-021-00477-x

Advances in laboratory-scale ptychography using high harmonic sources

Author(s): Loetgering, L.; S. Witte, J. Rothhardt
Published in: Optics Express, Issue 30 (3), 2022, Page(s) 7, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.443622

Material-specific high-resolution table-top extreme ultraviolet microscopy

Author(s): Eschen, Wilhelm; Lötgering, Lars; Schuster, Vittoria; Klas, Robert; Kirsche, Alexander; Berthold, Lutz; Steinert, Michael; Pertsch, Thomas; Gross, Herbert; Krause, Michael; Limpert, Jens; Rothhardt, Jan
Published in: Light-Science & Applications, Issue 11 (1), 2022, Page(s) 10, ISSN 2047-7538
Publisher: Nature Portfolio
DOI: 10.1038/s41377-022-00797-6

Dispersion engineering in nonlinear multipass cells for high-quality pulse compression

Author(s): Karst, M., Benner, M., Gierschke, P., Stark, H., Limpert, J.
Published in: Optics Letters 48 (22), Issue 48, 2023, Page(s) 5899-5902, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.504014

High-energy Q-switched 16-core tapered rod-type fiber laser system

Author(s): Christopher Aleshire; Albrecht Steinkopff; Arno Klenke; César Jáuregui; Stefan Kuhn; Johannes Nold; Nicoletta Haarlammert; Thomas Schreiber; Jens Limpert
Published in: Optics Letters, Issue 47 (7), 2022, Page(s) 1725-1728, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.454287

Nonlinear pulse compression to 51-W average power GW-class 35-fs pulses at 2-µm wavelength in a gas-filled multi-pass cell

Author(s): P. Gierschke; C. Grebing; M. Abdelaal; M. Lenski; J. Buldt; Z. Wang; T. Heuermann; M. Mueller; M. Gebhardt; J. Rothhardt; J. Limpert
Published in: Optics letters 47(14), 3511 (2022). doi:10.1364/OL.462647, Issue 1, 2022, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.462647

1 kW, 10 mJ, 120 fs coherently combined fiberCPA laser system

Author(s): H. Stark, J. Buldt, M. Mueller, A. Klenke, J. Limpert
Published in: Optics Letters, Issue 46 (5), 2021, Page(s) 969 - 972, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.417032

Investigation of spatiotemporal output beam profile instabilities from differentially pumped capillaries

Author(s): Martin Gebhardt, Emmanuel B. Amuah, Robert Klas, Henning Stark, Joachim Buldt, Albrecht Steinkopff, Jens Limpert
Published in: Optics Express, Issue 29 (5), 2021, Page(s) 6957-6966, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.416553

Ultrafast Tm-doped fiber laser system delivering 1.65-mJ, sub-100-fs pulses at a 100-kHz repetition rate

Author(s): Tobias Heuermann, Ziyao Wang, Mathias Lenski, Martin Gebhardt, Christian Gaida, Mahmoud Abdelaal, Joachim Buldt, Michael Müller, Arno Klenke, Jens Limpert
Published in: Optics letters, Issue 47 (12), 2022, Page(s) 3095-3098, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.459385

PtyLab.m/py/jl: a cross-platform, open-source inverse modeling toolbox for conventional and Fourier ptychography

Author(s): Lars Loetgering, Mengqi Du, Dirk Boonzajer Flaes, Tomas Aidukas, Felix Wechsler, Daniel S. Penagos Molina, Max Rose, Antonios Pelekanidis, Wilhelm Eschen, Jürgen Hess, Thomas Wilhein, Rainer Heintzmann, Jan Rothhardt, Stefan Witte
Published in: Optics Express, Issue 31 (9), 2023, Page(s) 13763-13797, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.485370

Frequency-doubled Q-switched 4 × 4 multicore fiber laser system

Author(s): Christopher Aleshire; Timo Eichner; Albrecht Steinkopff; Arno Klenke; Cesar Jauregui; Guido Palmer; Stefan Kuhn; Johannes nold; Nicoletta Haarlammert; Wim P. Leemans; Thomas Schreiber; Andreas R. Maier; Jens Limpert
Published in: Optics letters 48(8), 2198 (2023). doi:10.1364/OL.487334, Issue 1, 2023, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.487334

Pulses of 32 mJ and 158 fs at 20-kHz repetition rate from a spatiotemporally combined fiber laser system

Author(s): Henning Stark; Maximilian Benner; Joachim Buldt; Arno Klenke; Jens Limpert
Published in: Optics letters 48(11), 3007 (2023). doi:10.1364/OL.488617, Issue 3, 2023, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.488617

Carrier-envelope phase stable few-cycle laser system delivering more than 100 W, 1 mJ, sub-2-cycle pulses

Author(s): Steffen Hädrich, Evgeny Shestaev, Maxim Tschernajew, Fabian Stutzki, Nico Walther, Florian Just, Marco Kienel, Imre Seres, Péter Jójárt, Zsolt Bengery, Barnabás Gilicze, Zoltán Várallyay, Ádám Börzsönyi, Michael Müller, Christian Grebing, Arno Klenke, Dominik Hoff, Gerhard G. Paulus, Tino Eidam, Jens Limpert
Published in: Optics letters, Issue 47 (6), 2022, Page(s) 1537-1540, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.450991

Divided-pulse nonlinear compression in a multipass cell

Author(s): Henning Stark; Christian Grebing; Joachim Buldt; Arno Klenke; Jens Limpert
Published in: JPhys photonics 4(3), 035001 (2022). doi:10.1088/2515-7647/ac66ab, Issue 2, 2022, ISSN 2515-7647
Publisher: IOP Publishing Limited
DOI: 10.1088/2515-7647/ac66ab

Fiber laser-driven gas plasma-based generation of THz radiation with 50-mW average power

Author(s): Joachim Buldt, Michael Mueller, Henning Stark, Cesar Jauregui, Jens Limpert
Published in: Applied Physics B, Issue 126/1, 2020, Page(s) 2, ISSN 0946-2171
Publisher: Springer Verlag
DOI: 10.1007/s00340-019-7353-2

Carrier-envelope offset stable, coherently combined ytterbium-doped fiber CPA delivering 1 kW of average power

Author(s): E. Shestaev, S. Hädrich, N. Walther, T. Eidam, A. Klenke, I. Seres, Z. Bengery, P. Jójárt, Z. Várallyay, Á. Börzsönyi, J. Limpert
Published in: Optics Letters, Issue 45 (23), 2020, Page(s) 6350-6353, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.409410

Mitigation of thermally-induced performance limitations in coherently-combined multicore fiber amplifiers

Author(s): Albrecht Steinkopff; Christopher Aleshire; Arno Klenke; Cesar Jauregui; Jens Limpert
Published in: Optics express 30(10), 16896 (2022). doi:10.1364/OE.451690, Issue 4, 2022, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.451690

High-power two-color plasma-based THz generation driven by a Tm-doped fiber laser

Author(s): Joachim Buldt; Tobias Heuermann; Ziyao Wang; Philipp Gierschke; Mathias Lenski; César Jauregui; Jens Limpert
Published in: Optics letters 48(13), 3403 (2023). doi:10.1364/OL.492511, Issue 5, 2023, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.492511

Towards attosecond imaging at the nanoscale using broadband holography-assisted coherent imaging in the extreme ultraviolet

Author(s): W. Eschen, S. Wang, C. Liu, R. Klas, M. Steinert, S. Yulin, H. Meißner, M. Bussmann, T. Pertsch, J. Limpert, and J. Rothhardt
Published in: Communications Physics, Issue 4 (154), 2021, Page(s) 1-7, ISSN 2399-3650
Publisher: Springer Nature
DOI: 10.1038/s42005-021-00658-5

Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell

Author(s): Christian Grebing, Michael Müller, Joachim Buldt, Henning Stark, Jens Limpert
Published in: Optics Letters, Issue 45 (22), 2020, Page(s) 6250-6253, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.408998

Impact of thermo-optical effects in coherently combined multicore fiber amplifiers

Author(s): Albrecht Steinkopff, Cesar Jauregui, Christopher Aleshire, Arno Klenke, Jens Limpert
Published in: Optics Express, Issue 28 (25), 2020, Page(s) 38093-38105, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.410614

22-W average power high pulse energy multipass-cell-based post-compression in the green spectral range

Author(s): Karst, M., Pfaller, P., Klas, R., Wang, Z. Y., Gierschke, P., Rothhardt, J., Limpert, J.
Published in: Optics Letters 48 (5), Issue 48, 2023, Page(s) 1300-1303, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.482600

Nonlinear pulse compression to sub-two-cycle, 1.3 mJ pulses at 1.9 μm wavelength with 132 W average power

Author(s): Ziyao Wang; Tobias Heuermann; Martin Gebhardt; Mathias Lenski; Philipp Gierschke; Robert Klas; Jan Rothhardt; Cesar Jauregui; Jens Limpert
Published in: Optics Letters, Issue 48 (10), 2023, Page(s) 2647-2650, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.487587

Multipass cell for high-power few-cycle compression

Author(s): Michael Müller, Joachim Buldt, Henning Stark, Christian Grebing, Jens Limpert
Published in: Optics Letters, Issue 46 (11), 2021, Page(s) 2678-2681, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/ol.425872

Concept of enhanced frequency chirping for multi-pass cells to improve the pulse contrast

Author(s): Maximilian Benner; Maximilian Karst; Cristina Amaya Mendez; Henning Stark; Jens Limpert
Published in: Journal of the Optical Society of America / B 40(2), 301 (2023). doi:10.1364/JOSAB.479037, Issue 4, 2023, ISSN 0740-3224
Publisher: Optical Society of America
DOI: 10.1364/josab.479037

Scaling potential of beam-splitter-based coherent beam combination

Author(s): Michael Müller, Christopher Aleshire, Joachim Buldt, Henning Stark, Christian Grebing, Arno Klenke, Jens Limpert
Published in: Optics Express, Issue 29 (17), 2021, Page(s) 27900-27911, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.433596

Transverse mode instability and thermal effects in thulium-doped fiber amplifiers under high thermal loads

Author(s): Christian Gaida, Martin Gebhardt, Tobias Heuermann, Ziyao Wang, Cesar Jauregui, Jens Limpert
Published in: Optics Express, Issue 29 (10), 2021, Page(s) 14963-14973, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.421954

Power scaling of few-cycle short-wavelength infrared laser sources for nonlinear frequency conversion

Author(s): Martin Gebhardt
Published in: 2022
Publisher: Friedrich Schiller University Jena

Development of tailored XUV sources for applications in Laser spectroscopy and imaging experiments

Author(s): Robert Klas
Published in: 2021
Publisher: Friedrich Schiller University Jena

The Scaling Limits of Beam-Splitter-Based Coherent Beam Combining

Author(s): Michael Müller
Published in: 2021
Publisher: Friedrich Schiller University Jena

Highly efficient nonlinear spectral broadening of mJ pulses at 2µm wavelength in a gas multipass cell and compression sub-30 fs

Author(s): Lucas Eisenbach, Peter Rußbüldt, Jan Schulte, Rudolf Meyer, Tobias Heuermann, Ziyao Wang, Mathias Lenski, Philipp Gierschke, Jens Limpert, Constantin Häfner
Published in: Proc. SPIE PC12577, High-power, High-energy Lasers and Ultrafast Optical Technologies, PC125770E, 2023
Publisher: Optical Sociaty of America

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

Author(s): Tobias Heuermann, Ziyao Wang, Mathias Lenski, Martin Gebhardt, Christian Gaida, Mahmoud Abdelaal, Joachim Buldt, Michael Müller, Arno Klenke, Jens Limpert
Published in: Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124000E, 2023
Publisher: Optical Society of America

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