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Proceedings Paper

Characterization of optically pumped semiconductor lasers in pulsed mode as a function of temperature
Author(s): Yanbo Bai; Jeffrey Wisdom; Patrick Hyland; Christian Scholz; Juan Chilla
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Paper Abstract

Self-heating of Optically Pumped Semiconductor (OPS) chip has been identified as the major limiting factor of power scaling in OPS-based lasers in continuous wave (cw) mode. In this work, characterization of OPS lasers in short pulse (100 ns) and low duty cycle (1%) regime, where self-heating is negligible, as a function of the heat sink temperature is presented. This data, combined with a rigorous thermal model, allows us to predict OPS chip performance in new cooling configurations for power scaling.

Paper Details

Date Published: 22 February 2017
PDF: 4 pages
Proc. SPIE 10087, Vertical External Cavity Surface Emitting Lasers (VECSELs) VII, 1008709 (22 February 2017); doi: 10.1117/12.2253751
Show Author Affiliations
Yanbo Bai, Coherent, Inc. (United States)
Jeffrey Wisdom, Coherent, Inc. (United States)
Patrick Hyland, Coherent, Inc. (United States)
Christian Scholz, Coherent, Inc. (United States)
Juan Chilla, Coherent, Inc. (United States)

Published in SPIE Proceedings Vol. 10087:
Vertical External Cavity Surface Emitting Lasers (VECSELs) VII
Michael Jetter, Editor(s)

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