Dr. Ingmar Hartl Profile

Dr. Ingmar Hartl

Head of Laser Science & Technology at Deutsches Elektronen-Synchrotron

SPIE Involvement:

Conference Program Committee | Conference Chair | Editor | Author

Publications (17)

Proceedings Article | 12 March 2024 Presentation + Paper

Presentation + Paper

Acousto-optic modulation of GW-scale beams in ambient air

Yannick Schrödel, Claas Hartmann, Jiaan Zheng, Tino Lang, Max Steudel, Matthias Rutsch, Sarper Salman, Martin Kellert, Mikhail Pergament, Thomas Hahn-Jose, Sven Suppelt, Jan Helge Dörsam, Regina Schuster, Murat-Jakub Ilhan, Anne Harth, Wim Leemans, Franz Kärtner, Ingmar Hartl, Mario Kupnik, Christoph Heyl

Proceedings Volume 12871, 128710I (2024) https://doi.org/10.1117/12.3000180

KEYWORDS: Modulation, Diffraction, Acoustooptics, Refractive index, Gases, Ultrasound transducers, Photonics

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Proceedings Article | 9 June 2023 Poster + Paper

Poster + Paper

Multi-pass cell-based nonlinear pulse compression of Yb:YAG pump-probe lasers at FLASH

M. Seidel, A.-L. Viotti, S. Alisauskas, A. Tajalli, O. Akcaalan, J. Darvill, N. Ekanayake, U. Grosse-Wortmann, C. Li, C. Mohr, F. Pressacco, N. Schirmel, A. Swiderski, H. Tavakol, H. Tünnermann, C. Vidoli, L. Winkelmann, C. Heyl, B. Manschwetus, H. Cankaya, I. Hartl

Proceedings Volume 12581, 125810O (2023) https://doi.org/10.1117/12.2665321

KEYWORDS: Free electron lasers, Pulsed laser operation, Laser optics, Pulse signals, Ultrafast phenomena, Mid-IR, Harmonic generation, Optical parametric amplifiers, High power lasers, Laser development

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Proceedings Article | 8 June 2023 Presentation

Presentation

Sub-TW laser pulses via post-compression of 9 mJ, 1.2 picosecond laser pulses to 13 fs (Conference Presentation)

Nikita Khodakovskiy, Supriya Rajhans, Esmerando Escoto, Praveen Velpula, Bonaventura Farace, Rob Shalloo, Kristjan Poder, Jens Osterhoff, Wim Leemans, Ingmar Hartl, Christoph Heyl

Proceedings Volume PC12577, PC125770F (2023) https://doi.org/10.1117/12.2669587

KEYWORDS: Ultrafast phenomena, Picosecond phenomena, Pulse signals, Nonlinear transmission, Neon, Mirrors, Medicine, Materials science, Laser systems engineering, Laser applications

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Proceedings Article | 9 March 2023 Presentation

Presentation

Machine learning enhanced beam pointing stabilization for the pump-probe laser at the FLASH FEL Facility

Henrik Tünnermann, Federico Pressacco, Hamed Tavakol, Ingmar Hartl

Proceedings Volume PC12399, PC1239904 (2023) https://doi.org/10.1117/12.2649887

KEYWORDS: Machine learning, Free electron lasers, Laser stabilization, Actuators, Temperature metrology, Pulsed laser operation, Optical testing, Mirrors, Laser systems engineering, Humidity

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Proceedings Article | 16 March 2016 Paper

Paper

High energetic and highly stable pulses from a Ho:YLF regenerative amplifier

Peter Kroetz, Axel Ruehl, Gourab Chatterjee, Anne-Laure Calendron, Krishna Muraria, Huseyin Cankaya, Franz Kärtnera, Ingmar Hartl, R. J. Dwayne Miller

Proceedings Volume 9726, 97260S (2016) https://doi.org/10.1117/12.2212236

KEYWORDS: Amplifiers, Solid state lasers, Ultrafast phenomena, Picosecond phenomena, Laser systems engineering, Mid-IR, Pulsed laser operation, Crystals, Temperature metrology, Laser crystals, Attenuators, Telescopes, Astatine, Radium, Ions

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Proceedings Article | 4 March 2015 Paper

Paper

Sub-100 fs passively mode-locked holmium-doped fiber oscillator operating at 2.06 μm

Peng Li, Axel Ruehl, Uwe Grosse-Wortmann, Ingmar Hartl

Proceedings Volume 9344, 93441L (2015) https://doi.org/10.1117/12.2078226

KEYWORDS: Oscillators, Fiber lasers, Solids, Mode locking, Single mode fibers, Scanning probe microscopy, Optical amplifiers, High power fiber amplifiers, Holmium, Femtosecond phenomena

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Proceedings Article | 23 February 2007 Paper

Paper

Fiber frequency combs

Ingmar Hartl, Martin Fermann

Proceedings Volume 6453, 645313 (2007) https://doi.org/10.1117/12.717322

KEYWORDS: Frequency combs, Fiber lasers, Oscillators, Fiber Bragg gratings, Mode locking, Frequency metrology, Laser optics, Ferroelectric materials, Diodes, Optical fibers

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Proceedings Article | 23 February 2006 Paper

Paper

Ultrafast high energy amplifiers beyond the B-integral limit

L. Shah, Z. Liu, I. Hartl, G. Imeshev, G. C. Cho, M. Fermann

Proceedings Volume 6102, 61020Z (2006) https://doi.org/10.1117/12.659365

KEYWORDS: Ultrafast phenomena, Fiber lasers, Fiber amplifiers, Pulsed laser operation, Scanning probe microscopy, Solid state lasers, Laser processing, Optical amplifiers, Single mode fibers, Oscillators

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Proceedings Article | 2 October 2003 Paper

Paper

Real-time ultrahigh-resolution OCT systems for in vivo imaging

Stephane Bourquin, Aaron Aguirre, Ingmar Hartl, Pei-Lin Hsiung, Tony Ko, Tim Birks, William Wadsworth, Udo Buenting, Daniel Kopf, James Fujimoto

Proceedings Volume 5140, (2003) https://doi.org/10.1117/12.501006

KEYWORDS: Optical coherence tomography, In vivo imaging, Image resolution, Imaging systems, Femtosecond phenomena, Neodymium glass lasers, Light sources, Single mode fibers, Skin, Real time imaging

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Proceedings Article | 2 October 2003 Paper

Paper

Transverse priority scanning and microscopy for high-resolution optical coherence tomography

Pei-Lin Hsiung, Aaron Aguirre, Tony Ko, Stephane Bourquin, Karl Schneider, Ingmar Hartl, James Fujimoto

Proceedings Volume 5140, (2003) https://doi.org/10.1117/12.500989

KEYWORDS: Optical coherence tomography, Mirrors, Image resolution, Tissues, Phase shift keying, Microscopy, Optical coherence microscopy, Reflectivity, Scanners, Confocal microscopy

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Proceedings Article | 8 July 2003 Paper

Paper

Portable broadband light sources using a femtosecond Nd:Glass laser and nonlinear fiber for ultrahigh-resolution OCT imaging

Stephane Bourquin, Ingmar Hartl, Aaron Aguirre, Pei-Lin Hsiung, Tony Ko, Timothy Birks, William Wadsworth, Uwe Bünting, Daniel Kopf, James Fujimoto

Proceedings Volume 4956, (2003) https://doi.org/10.1117/12.479035

KEYWORDS: Optical coherence tomography, Light sources, Image resolution, Femtosecond phenomena, Neodymium glass lasers, Fiber lasers, Femtosecond fiber lasers, Single mode fibers, Imaging systems, Diodes

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Proceedings Article | 8 July 2003 Paper

Paper

Ultrahigh-resolution optical coherence tomography for enhanced visualization of retinal pathology

Tony Ko, Wolfgang Drexler, Lelia Paunescu, Ingmar Hartl, Ravi Ghanta, Joel Schuman, James Fujimoto

Proceedings Volume 4956, (2003) https://doi.org/10.1117/12.479032

KEYWORDS: Optical coherence tomography, Visualization, Pathology, Image resolution, Coherence (optics), Biomedical optics, Optical resolution, Femtosecond phenomena, Sapphire lasers, Light sources

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Proceedings Article | 14 June 2002 Paper

Paper

Ultrahigh resolution optical coherence tomography for quantitative topographic mapping of retinal and intraretinal architectural morphology

Tony Ko, Ingmar Hartl, Wolfgang Drexler, Ravi Ghanta, James Fujimoto

Proceedings Volume 4619, (2002) https://doi.org/10.1117/12.470487

KEYWORDS: Optical coherence tomography, Macula, Image resolution, Nerve, Algorithm development, Optical discs, Retina, Imaging systems, Human subjects, Light sources

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Proceedings Article | 2 November 2001 Paper

Paper

Ultrahigh resolution OCT using continuum generation in an air-silica microstructure optical fiber

Ingmar Hartl, Xing Li, Christian Chudoba, Tony Ko, James Fujimoto, Robert Windeler

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447396

KEYWORDS: Optical coherence tomography, Optical fibers, Tissues, In vivo imaging, Microscopy, Fiber lasers, Sapphire lasers, Optical isolators, Optical filters, Fiber amplifiers

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Proceedings Article | 23 May 2001 Paper

Paper

Ultrahigh-resolution in-vivo versus ex-vivo OCT imaging and tissue preservation

Constantinos Pitris, Tony Ko, Wolfgang Drexler, Ravi Ghanta, Xing Li, Christian Chudoba, Ingmar Hartl, James Fujimoto, Michael Weinstein

Proceedings Volume 4251, (2001) https://doi.org/10.1117/12.427889

KEYWORDS: Optical coherence tomography, Tissues, In vivo imaging, Image resolution, Imaging systems, Tissue optics, Image quality standards, Image quality, Light sources, Optical properties

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Proceedings Article | 23 May 2001 Paper

Paper

High-speed path length scanning using a Herriott cell delay line

Pei-Lin Hsiung, Xing Li, Ingmar Hartl, Tony Ko, Christian Chudoba, James Fujimoto

Proceedings Volume 4251, (2001) https://doi.org/10.1117/12.427876

KEYWORDS: Biomedical optics, Real time imaging, Coherence (optics), Electromagnetism, Optical coherence tomography

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Proceedings Article | 23 May 2001 Paper

Paper

Ultrahigh-resolution OCT using continuum generation in an air-silica microstructure optical fiber

Ingmar Hartl, Xing Li, Christian Chudoba, Ravi Ghanta, Tony Ko, James Fujimoto, Jinendra Ranka, Robert Windeler, Andrew Stentz

Proceedings Volume 4251, (2001) https://doi.org/10.1117/12.427905

KEYWORDS: Optical coherence tomography, Optical fibers, Biomedical optics, Tissues, In vivo imaging, Coherence (optics), Fiber lasers, Laser applications, Sapphire lasers, Optical isolators

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Showing 5 of 17 publications

Proceedings Volume Editor (7)

SPIE Conference Volume | 4 December 2024

Advanced Lasers, High-Power Lasers, and Applications XV

SPIE Conference Volume | 30 November 2023

Advanced Lasers, High-Power Lasers, and Applications XIV

SPIE Conference Volume | 3 January 2023

Advanced Lasers, High-Power Lasers, and Applications XIII

SPIE Conference Volume | 24 November 2021

Advanced Lasers, High-Power Lasers, and Applications XII

SPIE Conference Volume | 29 October 2020

High-Power Lasers and Applications XI

Showing 5 of 7 publications

Conference Committee Involvement (17)

Advanced Lasers, High-Power Lasers, and Applications XVI

11 October 2025 | Beijing, China

Advanced Lasers, High-Power Lasers, and Applications XV

12 October 2024 | Nantong, Jiangsu, China

Fiber Lasers XXI: Technology and Systems

29 January 2024 | San Francisco, California, United States

Advanced Lasers, High-Power Lasers, and Applications XIV

14 October 2023 | Beijing, China

Fiber Lasers XX: Technology and Systems

30 January 2023 | San Francisco, California, United States

Advanced Lasers, High-Power Lasers, and Applications XIII

5 December 2022 | Online Only, China

Fiber Lasers XIX: Technology and Systems

24 January 2022 | San Francisco, California, United States

Advanced Lasers, High-Power Lasers, and Applications XII

10 October 2021 | Nantong, JS, China

Fiber Lasers XVIII: Technology and Systems

6 March 2021 | Online Only, California, United States

High-Power Lasers and Applications XI

12 October 2020 | Online Only, China

Fiber Lasers XVII: Technology and Systems

3 February 2020 | San Francisco, California, United States

Fiber Lasers XVI: Technology and Systems

4 February 2019 | San Francisco, California, United States

Fiber Lasers XV: Technology and Systems

29 January 2018 | San Francisco, California, United States

Fiber Lasers XIV: Technology and Systems

30 January 2017 | San Francisco, California, United States

Fiber Lasers XIII: Technology, Systems, and Applications

15 February 2016 | San Francisco, California, United States

Fiber Lasers XII: Technology, Systems, and Applications

9 February 2015 | San Francisco, California, United States

Fiber Lasers XI: Technology, Systems, and Applications

3 February 2014 | San Francisco, California, United States

Showing 5 of 17 Conference Committees

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