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

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

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

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

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

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

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

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

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, Jens Biesenbach, Thomas Brand, Matthias Haag

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

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

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

Bernd Köhler, Matthias Haag, 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

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

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

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

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

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

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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