Dr. Dirk Lorenzen Profile

Dr. Dirk Lorenzen

at JENOPTIK Laser GmbH

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 24 February 2009 Paper

Improved laser diode for high power and high temperature applications

D. Schröder, M. Schröder, E. Werner, J. Meusel, D. Lorenzen, P. Hennig, R. Hülsewede, J. Sebastian

Proceedings Volume 7198, 719809 (2009) https://doi.org/10.1117/12.809997

KEYWORDS: Semiconductor lasers, Resistance, Fiber couplers, Fiber coupled lasers, Temperature metrology, Diodes, Packaging, Resonators, High power lasers

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Proceedings Article | 25 February 2008 Paper

Brilliant high power laser bars for industrial applications

Harald König, Günther Grönninger, Peter Brick, Martin Reufer, Frank Bugge, Götz Erbert, Michael Stoiber, Jens Biesenbach, Dirk Lorenzen, Petra Hennig, Uwe Strauß

Proceedings Volume 6876, 687616 (2008) https://doi.org/10.1117/12.761659

KEYWORDS: High power lasers, Laser applications, Semiconductor lasers, Multiplexing, Nd:YAG lasers, Resistance, Laser damage threshold, Resonators, External quantum efficiency, Laser systems engineering

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Proceedings Article | 13 February 2008 Paper

Passively cooled diode lasers in the cw power range of 120 to 200W

Dirk Lorenzen, Jens Meusel, Dominic Schröder, Petra Hennig

Proceedings Volume 6876, 68760Q (2008) https://doi.org/10.1117/12.762758

KEYWORDS: Semiconductor lasers, Reliability, Failure analysis, Continuous wave operation, Pulsed laser operation, Laser applications, Resistance, High power lasers, Statistical analysis, Standards development

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Proceedings Article | 12 February 2007 Paper

High-brightness high-power 9xx-nm diode laser bars: developments at Jenoptik Diode Lab

J. Sebastian, H. Schulze, R. Hülsewede, P. Hennig, J. Meusel, M. Schröder, D. Schröder, D. Lorenzen

Proceedings Volume 6456, 64560F (2007) https://doi.org/10.1117/12.705111

KEYWORDS: Semiconductor lasers, Reliability, Diodes, Resonators, High power lasers, Pulsed laser operation, Continuous wave operation, Electro optics, Near field optics

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Proceedings Article | 7 February 2007 Paper

Increased power of broad-area lasers (808nm/980nm) and applicability to 10-mm bars with up to 1000Watt QCW

D. Schröder, J. Meusel, P. Hennig, D. Lorenzen, M. Schröder, R. Hülsewede, J. Sebastian

Proceedings Volume 6456, 64560N (2007) https://doi.org/10.1117/12.700021

KEYWORDS: Semiconductor lasers, Continuous wave operation, Laser applications, Diodes, Packaging, Pulsed laser operation, High power lasers, Optics manufacturing, Epitaxy

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Proceedings Article | 7 February 2007 Paper

Monolithically stacked high-power diode laser bars in quasi-continuous-wave operation exceeding 500 W

M. Müller, M. Philippens, G. Grönninger, H. König, J. Moosburger, G. Herrmann, M. Reufer, J. Luft, M. Stoiber, D. Lorenzen

Proceedings Volume 6456, 64561B (2007) https://doi.org/10.1117/12.699827

KEYWORDS: Semiconductor lasers, Pulsed laser operation, Resistance, Continuous wave operation, High power lasers, Mirrors, Diodes, Quasi continuous wave operation, Epitaxy, Laser resonators

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Proceedings Article | 15 February 2006 Paper

Comparative performance studies of indium and gold-tin packaged diode laser bars

D. Lorenzen, M. Schröder, J. Meusel, P. Hennig, H. König, M. Philippens, J. Sebastian, R. Hülsewede

Proceedings Volume 6104, 610404 (2006) https://doi.org/10.1117/12.659047

KEYWORDS: Semiconductor lasers, Indium, Resonators, Continuous wave operation, Laser welding, Reliability, Laser resonators, Resistance, Pulsed laser operation, Laser development

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Proceedings Article | 19 June 2003 Paper

High-power passive-cooled diode laser device

Guido Bonati, Petra Hennig, Ullrich Rollig, Dirk Lorenzen

Proceedings Volume 4973, (2003) https://doi.org/10.1117/12.478377

KEYWORDS: Semiconductor lasers, Heatsinks, Copper, Resistance, High power lasers, High power diode lasers, Laser marking, Oxides, Patents, Laser systems engineering

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Proceedings Article | 25 March 2003 Paper

Highly thermally conductive substrates with adjustable CTE for diode laser bar packaging

Dirk Lorenzen, Petra Hennig

Proceedings Volume 4945, (2003) https://doi.org/10.1117/12.468639

KEYWORDS: Copper, Diamond, Semiconductor lasers, Packaging, Gallium arsenide, Speckle pattern, Laser welding, Spectroscopy, High power diode lasers, Thermal effects

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Proceedings Article | 11 March 2003 Paper

New heat exchanger concept for high-power diode laser systems

Guido Bonati, Petra Hennig, Dirk Lorenzen, Ullrich Roellig, Juergen Schulz-Harder, K. Exel, Karsten Schmidt, A. Meier

Proceedings Volume 4947, (2003) https://doi.org/10.1117/12.468633

KEYWORDS: Semiconductor lasers, Laser processing, Laser marking, Laser systems engineering, High power lasers, Resistance, Fiber amplifiers, Optoelectronic devices, Materials processing, Heatsinks

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Proceedings Article | 16 April 2002 Paper

Diode laser testing by taking advantage of its photoelectric properties

Jens Tomm, A. Gerhardt, Dirk Lorenzen, P. Henning, H. Roehle

Proceedings Volume 4648, (2002) https://doi.org/10.1117/12.462652

KEYWORDS: Semiconductor lasers, Quantum wells, Vertical cavity surface emitting lasers, Reliability, Absorption, Spectroscopes, Optoelectronic devices, Semiconductors, Waveguides, Packaging

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Proceedings Article | 29 March 2000 Paper

Fiber-coupled diode laser systems up to 2-kW output power

Friedhelm Dorsch, Veit Bluemel, Matthias Schroeder, Dirk Lorenzen, Petra Hennig, Detlev Wolff

Proceedings Volume 3945, (2000) https://doi.org/10.1117/12.380554

KEYWORDS: Semiconductor lasers, Fiber lasers, Fiber coupled lasers, Beam shaping, Fiber couplers, Laser systems engineering, Multimode fibers, Electro optics, Laser development, Materials processing

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Proceedings Article | 12 November 1999 Paper

Measurement of mounting-induced strain in high-power laser diode arrays

Jens Tomm, Ralf Mueller, A. Baerwolff, Dirk Lorenzen

Proceedings Volume 3896, (1999) https://doi.org/10.1117/12.370311

KEYWORDS: Packaging, Quantum wells, Waveguides, Semiconductor lasers, Active optics, High power lasers, Semiconductors, Absorption, Electroluminescence, Polarization

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Proceedings Article | 15 September 1999 Paper

Controlling diode laser bar temperature by micro channel liquid cooling

Katrin Unger, Dietmar Mueller, Dirk Lorenzen, Franz Daiminger

Proceedings Volume 3825, (1999) https://doi.org/10.1117/12.364306

KEYWORDS: Semiconductor lasers, Control systems, Temperature metrology, Resistance, Cooling systems, Liquids, Beam controllers, High power diode lasers, Sensors, Diodes

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Proceedings Article | 14 April 1999 Paper

Direct spectroscopic measurement of packaging-induced strains in high-power laser diode arrays

Jens Tomm, Ralf Mueller, A. Baerwolff, M. Neuner, Thomas Elsaesser, Dirk Lorenzen, Franz Daiminger, A. Gerhardt, J. Donecker

Proceedings Volume 3626, (1999) https://doi.org/10.1117/12.345424

KEYWORDS: High power lasers, Packaging, Spectroscopes, Diodes, Semiconductor lasers, Reliability, Active optics, Quantum wells, Calibration, Polarization

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Proceedings Article | 29 December 1998 Paper

High-power laser diodes, laser diode modules, and their applications

Franz Daiminger, Friedhelm Dorsch, Dirk Lorenzen

Proceedings Volume 3682, (1998) https://doi.org/10.1117/12.334785

KEYWORDS: Semiconductor lasers, High power diode lasers, High power lasers, Diodes, Heatsinks, Resistance, Copper, Collimation, Materials processing, Solid state lasers

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Showing 5 of 16 publications

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