Dr. Martin Leich Profile

Dr. Martin Leich

Researcher at Leibniz-Institut für Photonische Technologien eV

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 8 March 2023 Presentation + Paper

Crystal-derived double-clad fibers for high gain and high efficiency Tm fiber lasers

Martin Leich, Robert Müller, Sonja Unger, Anka Schwuchow, Jan Dellith, Jens Kobelke, Adrian Lorenz, Matthias Jäger

Proceedings Volume 12400, 1240012 (2023) https://doi.org/10.1117/12.2650340

KEYWORDS: Fiber lasers, Crystals, Thulium, Laser crystals, Doping, Aluminum, Silica

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Proceedings Article | 14 March 2018 Presentation

Laser beam quality improvement of REPUSIL-based rod amplifier with local short adiabatic taper (Conference Presentation)

Yuan Zhu, Martin Lorenz, Tina Eschrich, Martin Leich, Claudia Aichele, Jens Kobelke, Hartmut Bartelt, Matthias Jäger

Proceedings Volume 10512, 105121H (2018) https://doi.org/10.1117/12.2286895

KEYWORDS: Fiber amplifiers, Amplifiers, Diffusion, Fiber lasers, Laser processing, Multimode fibers, Tapered optical fibers

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Proceedings Article | 16 March 2015 Paper

The REPUSIL process and the capability of fluorine doping for the adjustment of optical and thermochemical properties in silica materials

K. Schuster, St. Grimm, A. Kalide, Jan Dellith, M. Leich, A. Schwuchow, S. Unger, A. Langner, G. Schötz, H. Bartelt

Proceedings Volume 9359, 935914 (2015) https://doi.org/10.1117/12.2077395

KEYWORDS: Fluorine, Silica, Aluminum, Glasses, Refractive index, Doping, Ytterbium, Cladding, Thermography, Ions

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Proceedings Article | 4 March 2015 Paper

High peak power amplification in large-core all-solid Yb fibers with an index-elevated pump clad and a low numerical aperture core

M. Leich, Wenbin He, S. Grimm, J. Kobelke, Yuan Zhu, B. Müller, Jörg Bierlich, H. Bartelt, M. Jäger

Proceedings Volume 9344, 93440T (2015) https://doi.org/10.1117/12.2078738

KEYWORDS: Cladding, Optical fibers, Amplifiers, Refractive index, Aluminum, Signal attenuation, Ytterbium, Absorption, Raman scattering, Fiber amplifiers

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SPIE Journal Paper | 3 June 2014 Open Access

Length distributed measurement of temperature effects in Yb-doped fibers during pumping

Martin Leich, Julia Fiebrandt, Anka Schwuchow, Sylvia Jetschke, Sonja Unger, Matthias Jäger, Manfred Rothhardt, Hartmut Bartelt

OE, Vol. 53, Issue 06, 066101, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.066101

KEYWORDS: Optical fibers, Fiber Bragg gratings, Temperature metrology, Ytterbium, Absorption, Ultraviolet radiation, Cerium, Fiber lasers, Optical pumping, Hydrogen

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Proceedings Article | 7 March 2014 Paper

Optical properties of Yb-doped fibers prepared by gas phase doping

F. Lindner, C. Aichele, A. Schwuchwo, M. Leich, A. Scheffel, S. Unger

Proceedings Volume 8982, 89820R (2014) https://doi.org/10.1117/12.2036928

KEYWORDS: Aluminum, Ytterbium, Doping, Optical fibers, Silica, Refractive index, Absorption, Fiber lasers, Oxygen, Deposition processes

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Proceedings Article | 7 March 2014 Paper

Investigation of a large core 976nm Yb fiber laser for high brightness fiber-based pump sources

Martin Leich, Matthias Jäger, Stephan Grimm, Jan Dellith, Denny Hoh, Sylvia Jetschke, Martin Becker, Alexander Hartung, Tina Eschrich, Jens Kobelke, Hartmut Bartelt

Proceedings Volume 8961, 89610Z (2014) https://doi.org/10.1117/12.2039169

KEYWORDS: Fiber lasers, Ytterbium, Laser resonators, Fiber Bragg gratings, Refractive index, Glasses, Resonators, Fiber couplers, Diodes, Semiconductor lasers

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Proceedings Article | 7 March 2014 Paper

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

Julia Fiebrandt, Martin Leich, Sonja Unger, Anka Schwuchow, Matthias Jäger, Manfred Rothhardt, Hartmut Bartelt

Proceedings Volume 8982, 898206 (2014) https://doi.org/10.1117/12.2037663

KEYWORDS: Fiber Bragg gratings, Optical fibers, Temperature metrology, Fiber lasers, Absorption, Fabrication, Cerium, Optical pumping, Fiber amplifiers, Near infrared

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Proceedings Article | 11 March 2013 Paper

Study of lanthanum aluminum silicate glasses for passive and active optical fibers

K. Schuster, D. Litzkendorf, S. Grimm, J. Kobelke, A. Schwuchow, A. Ludwig, M. Leich, S. Jetschke, J. Dellith, J.-L. Auguste, S. Leparmentier, G. Humbert, G. Werner

Proceedings Volume 8621, 86210Q (2013) https://doi.org/10.1117/12.2004011

KEYWORDS: Glasses, Silica, Ytterbium, Fiber lasers, Lanthanum, Structured optical fibers, Cladding, Supercontinuum generation, Aluminum, Absorption

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Proceedings Article | 22 February 2013 Paper

Design evolution, long term performance and application tests of extra large mode area (XLMA) fiber lasers

Andreas Langner, Mario Such, Gerhard Schötz, Florian Just, Martin Leich, Stephan Grimm, Jan Dellith, Matthias Jäger, Kay Schuster, Hagen Zimer, Marcin Kozak, Björn Wedel, Georg Rehmann, Charley Bachert, Volker Krause

Proceedings Volume 8601, 86010G (2013) https://doi.org/10.1117/12.2000472

KEYWORDS: Fiber lasers, Silica, Absorption, Ytterbium, Cladding, Coating, Aluminum, Backscatter, Laser systems engineering, Doping

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Proceedings Article | 26 April 2012 Paper

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

Julia Fiebrandt, Martin Leich, Manfred Rothhardt, Hartmut Bartelt

Proceedings Volume 8426, 84260B (2012) https://doi.org/10.1117/12.922334

KEYWORDS: Optical fibers, Fiber Bragg gratings, Temperature metrology, Absorption, Optical pumping, Ytterbium, Doping, Fiber lasers, Annealing, Signal attenuation

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Proceedings Article | 16 February 2012 Paper

Multi-kW single fiber laser based on an extra large mode area fiber design

Andreas Langner, Mario Such, Gerhard Schötz, Florian Just, Martin Leich, Anka Schwuchow, Stephan Grimm, Hagen Zimer, Marcin Kozak, Björn Wedel, Georg Rehmann, Charley Bachert, Volker Krause

Proceedings Volume 8237, 82370F (2012) https://doi.org/10.1117/12.904951

KEYWORDS: Fiber lasers, Silica, Cladding, Signal attenuation, Doping, Refractive index, Absorption, Ytterbium, Laser systems engineering, Laser welding

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Proceedings Article | 31 August 2011 Paper

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

Martin Becker, Sven Brückner, Eric Lindner, Martin Leich, Manfred Rothhardt, Sonja Unger, Hartmut Bartelt

Proceedings Volume 8007, 80070B (2011) https://doi.org/10.1117/12.904730

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Femtosecond phenomena, Ultraviolet radiation, Interferometry, Modulation, Mirrors, Reflectivity, Refractive index, Reflectors

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Proceedings Article | 11 February 2011 Paper

New developments in high power fiber lasers based on alternative materials

Andreas Langner, Mario Such, Gerhard Schötz, Stephan Grimm, Florian Just, Martin Leich, Christian Mühlig, Jens Kobelke, Anka Schwuchow, Oliver Mehl, Olaf Strauch, Roman Niedrig, Björn Wedel, Georg Rehmann, Volker Krause

Proceedings Volume 7914, 79141U (2011) https://doi.org/10.1117/12.876978

KEYWORDS: Fiber lasers, Silica, Cladding, Signal attenuation, Refractive index, Absorption, Laser induced damage, Doping, Ytterbium, Laser development

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Proceedings Article | 26 February 2010 Paper

The influence of Yb2+ ions on optical properties and power stability of ytterbium-doped laser fibers

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, A. Scheffel

Proceedings Volume 7598, 75980B (2010) https://doi.org/10.1117/12.841808

KEYWORDS: Ytterbium, Absorption, Ultraviolet radiation, Aluminum, Optical fibers, Ions, Luminescence, Silica, Glasses, Doping

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Proceedings Article | 17 February 2010 Paper

Temperature dependence of photodarkening kinetics

M. Leich, S. Jetschke, S. Unger, J. Kirchhof

Proceedings Volume 7580, 758009 (2010) https://doi.org/10.1117/12.845846

KEYWORDS: Color centers, Temperature metrology, Absorption, Annealing, Ytterbium, Thermal modeling, Thermal effects, Glasses, Time metrology, Fiber lasers

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Proceedings Article | 17 February 2010 Paper

Development, manufacturing and lasing behavior of Yb-doped ultra large mode area fibers based on Yb-doped fused bulk silica

Andreas Langner, Mario Such, Gerhard Schötz, Volker Reichel, Stephan Grimm, Florian Just, Martin Leich, Johannes Kirchhof, Björn Wedel, Gunnar Köhler, Olaf Strauch, Oliver Mehl, Volker Krause, Georg Rehmann

Proceedings Volume 7580, 75802X (2010) https://doi.org/10.1117/12.845761

KEYWORDS: Cladding, Silica, Optical fibers, Fiber lasers, Refractive index, Doping, Connectors, Semiconductor lasers, Ions, Glasses

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Proceedings Article | 19 February 2009 Paper

Comparison of silica-based materials and fibers in side- and end-pumped fiber lasers

Andreas Langner, Gerhard Schötz, Mario Such, Volker Reichel, Stephan Grimm, Martin Leich, Sonja Unger, Johannes Kirchhof, Björn Wedel, Volker Krause, Georg Rehmann

Proceedings Volume 7195, 71950Q (2009) https://doi.org/10.1117/12.808218

KEYWORDS: Optical fibers, Fiber lasers, Cladding, Silica, Doping, Semiconductor lasers, Signal attenuation, Phosphorus, Laser development, Laser applications

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Proceedings Article | 19 February 2009 Paper

Yb-doped silica-based laser fibers: correlation of photodarkening kinetics and related optical properties with the glass composition

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, V. Reichel

Proceedings Volume 7195, 71950S (2009) https://doi.org/10.1117/12.808918

KEYWORDS: Ytterbium, Glasses, Absorption, Ions, Luminescence, Optical fibers, Ultraviolet radiation, Aluminum, Optical properties, Oxygen

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Proceedings Article | 7 February 2009 Paper

Influence of aluminum-phosphorus codoping on optical properties of ytterbium-doped laser fibers

S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, A. Scheffel, J. Kirchhof

Proceedings Volume 7212, 72121B (2009) https://doi.org/10.1117/12.808940

KEYWORDS: Optical fibers, Aluminum, Ytterbium, Absorption, Phosphorus, Refractive index, Luminescence, Fiber lasers, Glasses, Optical properties

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Proceedings Article | 22 February 2008 Paper

Photodarkening in Yb-doped silica fibers: influence of the atmosphere during preform collapsing

S. Jetschke, S. Unger, A. Schwuchow, M. Leich, V. Reichel, J. Kirchhof

Proceedings Volume 6873, 68731G (2008) https://doi.org/10.1117/12.776638

KEYWORDS: Optical fibers, Ytterbium, Fiber lasers, Ions, Cladding, Oxygen, Luminescence, Glasses, Absorption, Near infrared

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Proceedings Article | 22 May 2007 Paper

Preparation and applications of germanium and fluorine doped microstructured fibers

K. Schuster, J. Kobelke, A. Schwuchow, M. Leich, M. Becker, M. Rothhardt, U. Röpke, J. Kirchhof, H. Bartelt, T. Geernaert

Proceedings Volume 6588, 658804 (2007) https://doi.org/10.1117/12.722470

KEYWORDS: Optical fibers, Germanium, Silica, Cladding, Capillaries, Micro optical fluidics, Glasses, Waveguides, Fluorine, Fiber Bragg gratings

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Proceedings Article | 22 February 2007 Paper

Preparation of large-mode-area laser fibers with microstructured cores

Jens Kobelke, Kay Schuster, Sonja Unger, Volker Reichel, Anka Schwuchow, Klaus Mörl, Johannes Kirchhof, Martin Leich

Proceedings Volume 6453, 64531T (2007) https://doi.org/10.1117/12.698985

KEYWORDS: Optical fibers, Cladding, Ytterbium, Absorption, Signal attenuation, Refractive index, Fiber lasers, Fluorine, Silica, Phosphorus

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Showing 5 of 23 publications

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