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Proceedings Paper

915 nm laser bar-based high-performance sources for fiber laser pumping
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Paper Abstract

Fiber lasers have made significant progress in terms of power output, beam quality and operational robustness over the past few years. Key to this progress has been advances in two technologies - fiber technology and 9xx nm diode laser pump technology based on single emitters. We present the operational characteristics of our new high brightness 9xx nm fiber laser pump sources based on diode laser bars and diode laser bar arrays and discuss the design trade offs involved for realization of devices focused on this application. These trade offs include achieving the lowest slow axis divergence while maintaining high wall plug efficiency and minimizing facet power density to maximize reliability.

Paper Details

Date Published: 23 February 2009
PDF: 7 pages
Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 719808 (23 February 2009); doi: 10.1117/12.809785
Show Author Affiliations
Rajiv Pathak, Coherent, Inc. (United States)
John Minelly, Coherent, Inc. (United States)
Jouko Haapamaa, Coherent, Inc. (United States)
Jason Watson, Coherent, Inc. (United States)
David Schleuning, Coherent, Inc. (United States)
Heiko Winhold, Coherent, Inc. (United States)
Eli Weiss, Coherent, Inc. (United States)
Mika Toivonen, Coherent, Inc. (Finland)
Sami Lehkonen, Coherent, Inc. (Finland)
David Roh, Coherent, Inc. (United States)
Nels Ostrom, Coherent, Inc. (United States)
Dan Grasso, Coherent, Inc. (United States)
Juergen Pfaff, Coherent, Inc. (United States)
T. C. Hasenberg, Coherent, Inc. (United States)

Published in SPIE Proceedings Vol. 7198:
High-Power Diode Laser Technology and Applications VII
Mark S. Zediker, Editor(s)

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