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Advancements in laser diode chip and packaging technologies for application in kW-class fiber laser pumping

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Advancements in laser diode chip and packaging technologies for application in kW-class fiber laser pumping

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  • Author: Erik Zucker, Daniel Zou, Laura Zavala, Hongbo Yu, Prasad Yalamanchili, Lei Xu, Hui Xu, David Venables, Jay Skidmore, Victor Rossin, Reddy Raju, Matthew Peters, Kai-Hsiu Liao, Kong-Weng Lee, Boris Kharlamov, Allen Hsieh, Rupa Gurram, James Guo, Nicolas Gue
Here we introduce an improved laser diode chip that has high reliability at higher output power. The single-emitter fiber-coupled platform now provides 12W. The multi-emitter platform has been refined for higher coupling efficiency, power, and brightness, and now supports up to 140W. Finally, Amada and JDSU have integrated these pumps into a fiber laser with high efficiency, enhanced reliability, and low beam parameter product (BPP) at 2.1, 4.2, and 6.3kW output powers.

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