High brightness diode laser module development at nLIGHT Photonics

Kirk Price; Scott Karlsen; Aaron Brown; Mitch Reynolds; Ron Mehl; Paul Leisher; Steve Patterson; Jake Bell; Rob Martinsen

doi:10.1117/12.823411

6 May 2009 High brightness diode laser module development at nLIGHT Photonics

Kirk Price, Scott Karlsen, Aaron Brown, Mitch Reynolds, Ron Mehl, Paul Leisher, Steve Patterson, Jake Bell, Rob Martinsen

Author Affiliations +

Proceedings Volume 7325, Laser Technology for Defense and Security V; 73250T (2009) https://doi.org/10.1117/12.823411
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

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.

Citation Download Citation

Kirk Price, Scott Karlsen, Aaron Brown, Mitch Reynolds, Ron Mehl, Paul Leisher, Steve Patterson, Jake Bell, and Rob Martinsen "High brightness diode laser module development at nLIGHT Photonics", Proc. SPIE 7325, Laser Technology for Defense and Security V, 73250T (6 May 2009); https://doi.org/10.1117/12.823411

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