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Wavelength Stabilized Fiber-coupled Laser Modules for DPSS and Fiber Laser Pumping

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Author: M. Hemenway, Z. Chen, M. Kanskar, W. Urbanek, D. Dawson, L. Bao, M. DeVito, K. Fortier, R. Martinsen, K. Welch, R. Ballaban
Thursday, June 25, 2020
nLIGHT Inc.

nLIGHT continues to drive innovation in multi-emitter diode modules, as demonstrated by successfully reducing our laser diode voltage by means of a revised epitaxy across multiple wavelengths, and then demonstrating module level results of these new devices by successfully productizing 465 W with a beam NA of 0.16 at 920 nm, in a 24-emitters module with 200 µm fiber, and also achieving 265 W at 53% efficiency with VBG stabilized 885 nm devices in 24-emitter module coupled into 200 µm fiber, all while measuring an extremely broad locking range.

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