21 February 2011 Reliability of high power diode laser systems based on single emitters
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Abstract
Diode laser modules based on arrays of single emitters offer a number of advantages over bar-based solutions including enhanced reliability, higher brightness, and lower cost per bright watt. This approach has enabled a rapid proliferation of commercially available high-brightness fiber-coupled diode laser modules. Incorporating ever-greater numbers of emitters within a single module offers a direct path for power scaling while simultaneously maintaining high brightness and minimizing overall cost. While reports of long lifetimes for single emitter diode laser technology are widespread, the complex relationship between the standalone chip reliability and package-induced failure modes, as well as the impact of built-in redundancy offered by multiple emitters, are not often discussed. In this work, we present our approach to the modeling of fiber-coupled laser systems based on single-emitter laser diodes.
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Paul Leisher, Paul Leisher, Mitch Reynolds, Mitch Reynolds, Aaron Brown, Aaron Brown, Keith Kennedy, Keith Kennedy, Ling Bao, Ling Bao, Jun Wang, Jun Wang, Mike Grimshaw, Mike Grimshaw, Mark DeVito, Mark DeVito, Scott Karlsen, Scott Karlsen, Jay Small, Jay Small, Chris Ebert, Chris Ebert, Rob Martinsen, Rob Martinsen, Jim Haden, Jim Haden, } "Reliability of high power diode laser systems based on single emitters", Proc. SPIE 7918, High-Power Diode Laser Technology and Applications IX, 791802 (21 February 2011); doi: 10.1117/12.875858; https://doi.org/10.1117/12.875858
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