Dr. Thomas Brand Profile

Dr. Thomas Brand

Senior Manager R&D at Coherent Mainz

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 22 February 2017 Paper

kW-class direct diode laser for sheet metal cutting based on commercial pump modules

U. Witte, F. Schneider, C. Holly, A. Di Meo, D. Rubel, F. Boergmann, M. Traub, D. Hoffmann, S. Drovs, T. Brand, A. Unger

Proceedings Volume 10086, 1008608 (2017) https://doi.org/10.1117/12.2252145

KEYWORDS: High power diode lasers, Semiconductor lasers, Laser cutting, Metals, Fiber couplers, Dielectric filters, Dense wavelength division multiplexing, Laser processing, Laser optics, Laser systems engineering, Multiplexing, Optical filters, Electro optics

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Proceedings Article | 1 April 2015 Paper

Tailored bar concepts for 10mm-mrad fiber coupled modules scalable to kW-class direct diode lasers

Andreas Unger, Ross Uthoff, Michael Stoiber, Thomas Brand, Heiko Kissel, Bernd Köhler, Jens Biesenbach

Proceedings Volume 9348, 934809 (2015) https://doi.org/10.1117/12.2079425

KEYWORDS: Fiber couplers, Semiconductor lasers, Lithium, Fiber coupled lasers, Laser development, Fiber lasers, Mirrors, Collimation, Polarization, Diodes

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Proceedings Article | 12 March 2014 Paper

Effective mitigation of photodarkening in Yb-doped lasers based on Al-silicate using UV/visible light

Riccardo Piccoli, Thierry Robin, David Méchin, Thomas Brand, Udo Klotzbach, Stefano Taccheo

Proceedings Volume 8961, 896121 (2014) https://doi.org/10.1117/12.2039013

KEYWORDS: Fiber lasers, Absorption, Photons, Visible radiation, Doping, Ions, Laser applications, Ytterbium, Laser resonators, Fiber Bragg gratings

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Proceedings Article | 11 March 2013 Paper

Photodarkening: investigation, mitigation and figure of merit

Hrvoje Gebavi, Stefano Taccheo, Laurent LaBlonde, Benoit Cadier, Thierry Robin, Achille Monteville, Olivier Le Goffic, David Landais, David Méchin, Denis Tregoat, Daniel Milanese, Lasse Leick, Tim Durrant, Thomas Brandt

Proceedings Volume 8621, 86210W (2013) https://doi.org/10.1117/12.2008184

KEYWORDS: Fiber lasers, Ytterbium, Doping, Visible radiation, Switches, Fiber Bragg gratings, Glasses, Data modeling, Color centers, Ultraviolet radiation

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Proceedings Article | 18 February 2010 Paper

High-power diode laser modules from 410 nm to 2200 nm

Bernd Köhler, Heiko Kissel, Marco Flament, Paul Wolf, Thomas Brand, Jens Biesenbach

Proceedings Volume 7583, 75830F (2010) https://doi.org/10.1117/12.841846

KEYWORDS: Semiconductor lasers, Fiber couplers, Gallium arsenide, High power lasers, Heatsinks, Semiconductor materials, Fiber coupled lasers, Polymers, Standards development, Aluminium gallium indium phosphide

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Proceedings Article | 24 February 2009 Paper

Wavelength stabilized high-power diode laser modules

Bernd Köhler, Thomas Brand, Matthias Haag, Jens Biesenbach

Proceedings Volume 7198, 719810 (2009) https://doi.org/10.1117/12.809541

KEYWORDS: Semiconductor lasers, Reflectivity, Diodes, Fiber couplers, Fiber coupled lasers, High power lasers, Volume holography, Holography, Laser systems engineering, Fiber lasers

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Proceedings Article | 25 February 2008 Paper

Diode laser modules based on new developments in tapered and broad area diode laser bars

Bernd Köhler, Sandra Ahlert, Thomas Brand, Matthias Haag, Heiko Kissel, Gabriele Seibold, Michael Stoiber, Jens Biesenbach, Wolfgang Reill, Günter Grönninger, Martin Reufer, Harald König, Uwe Strauß

Proceedings Volume 6876, 68761B (2008) https://doi.org/10.1117/12.763012

KEYWORDS: Semiconductor lasers, Fiber couplers, Fiber coupled lasers, Broad area laser diodes, Laser systems engineering, Diodes, Multiplexing, Heatsinks, Fiber lasers, Micro optics

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Proceedings Article | 7 February 2007 Paper

Novel high-brightness fiber coupled diode laser device

Matthias Haag, Bernd Köhler, Jens Biesenbach, Thomas Brand

Proceedings Volume 6456, 64560T (2007) https://doi.org/10.1117/12.700941

KEYWORDS: Diodes, Semiconductor lasers, Fiber lasers, Fiber couplers, Fiber coupled lasers, Prototyping, Structured optical fibers, Failure analysis, Materials processing, Laser development

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Proceedings Article | 7 February 2007 Paper

11-kW direct diode laser system with homogenized 55 × 20 mm2 Top-Hat intensity distribution

Bernd Köhler, Axel Noeske, Tobias Kindervater, Armin Wessollek, Thomas Brand, Jens Biesenbach

Proceedings Volume 6456, 64560O (2007) https://doi.org/10.1117/12.698837

KEYWORDS: Homogenization, Semiconductor lasers, Laser systems engineering, Microlens array, Diodes, Waveguides, Monte Carlo methods, Imaging arrays, Ray tracing, Diffraction

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Proceedings Article | 17 March 2005 Paper

High-brightness high-power kW system with tapered diode laser bars

Bernd Koehler, Jens Biesenbach, Thomas Brand, Matthias Haag, Sandra Huke, Axel Noeske, Gabriele Seibold, Martin Behringer, Johann Luft

Proceedings Volume 5711, (2005) https://doi.org/10.1117/12.589044

KEYWORDS: Semiconductor lasers, Laser systems engineering, Diodes, High power lasers, Fiber couplers, Broad area laser diodes, Multiplexing, Monochromatic aberrations, Fiber coupled lasers, Beam shaping

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Proceedings Article | 19 June 2003 Paper

More brilliance from high-power laser diodes

Martin Behringer, Marc Philippens, W. Teich, Alexis Schmitt, Stefan Morgott, Joerg Heerlein, Gerhard Herrmann, Johann Luft, G. Seibold, Jens Biesenbach, Thomas Brand, Marcel Marchiano

Proceedings Volume 4993, (2003) https://doi.org/10.1117/12.479740

KEYWORDS: Semiconductor lasers, Diodes, Polarization, Multiplexing, High power diode lasers, Collimation, High power lasers, Laser cutting, Laser development, Printing

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