Advances in the power, brightness, weight and efficiency of fiber-coupled diode lasers for pumping and direct diode applications

Chris Ebert; Tina Guiney; Joe Braker; Dean Stapleton; Kim Alegria; David Irwin

doi:10.1117/12.2253116

22 February 2017 Advances in the power, brightness, weight and efficiency of fiber-coupled diode lasers for pumping and direct diode applications

Chris Ebert, Tina Guiney, Joe Braker, Dean Stapleton, Kim Alegria, David Irwin

Author Affiliations +

Proceedings Volume 10086, High-Power Diode Laser Technology XV; 1008607 (2017) https://doi.org/10.1117/12.2253116
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

DILAS Diode Laser, Inc. continues to improve and optimize high-brightness fiber-laser pump modules. Highlights include a 330W module weighing in at 300 grams, achieving greater than 55% electrical-to-optical efficiency at the operating power from a 225micron/0.22NA fiber and a power-scaled version capable of >600 W, >50% efficiency and weighing in at less than 400 grams. The macro-channel coolers enabling these modules eliminate the need for microchannels and deionized water and reduce pressure drop across the system. A road map to modules with >900W of output power will also be presented.

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Chris Ebert, Tina Guiney, Joe Braker, Dean Stapleton, Kim Alegria, and David Irwin "Advances in the power, brightness, weight and efficiency of fiber-coupled diode lasers for pumping and direct diode applications", Proc. SPIE 10086, High-Power Diode Laser Technology XV, 1008607 (22 February 2017); https://doi.org/10.1117/12.2253116

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