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Proceedings Paper

High brightness diode laser module development at nLIGHT Photonics
Author(s): Kirk Price; Scott Karlsen; Aaron Brown; Mitch Reynolds; Ron Mehl; Paul Leisher; Steve Patterson; Jake Bell; Rob Martinsen
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Paper Abstract

We report on the development of ultra-high brightness laser diode modules at nLIGHT Photonics. This paper demonstrates a laser diode module capable of coupling over 100W at 976 nm into a 105 μm, 0.15 NA fiber with fiber coupling efficiency greater than 85%. The high brightness module has an optical excitation under 0.13 NA, is virtually free of cladding modes, and has been wavelength stabilized with the use of volume holographic gratings for narrow-band operation. Utilizing nLIGHT's Pearl product architecture, these modules are based on hard soldered single emitters packaged into a compact and passively-cooled package. These modules are designed to be compatible with high power 7:1 fused fiber combiners, enabling over 500W power coupled into a 220 μm, 0.22 NA fiber. These modules address the need in the market for high brightness and wavelength stabilized diode lasers for pumping fiber lasers and solid-state laser systems.

Paper Details

Date Published: 6 May 2009
PDF: 8 pages
Proc. SPIE 7325, Laser Technology for Defense and Security V, 73250T (6 May 2009); doi: 10.1117/12.823411
Show Author Affiliations
Kirk Price, nLIGHT Corp. (United States)
Scott Karlsen, nLIGHT Corp. (United States)
Aaron Brown, nLIGHT Corp. (United States)
Mitch Reynolds, nLIGHT Corp. (United States)
Ron Mehl, nLIGHT Corp. (United States)
Paul Leisher, nLIGHT Corp. (United States)
Steve Patterson, nLIGHT Corp. (United States)
Jake Bell, nLIGHT Corp. (United States)
Rob Martinsen, nLIGHT Corp. (United States)

Published in SPIE Proceedings Vol. 7325:
Laser Technology for Defense and Security V
Mark Dubinskii; Stephen G. Post, Editor(s)

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