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Proceedings Paper

High-power and high-efficiency distributed feedback (DFB) lasers operating in the 1.4-1.6 mm range for eye-safe applications
Author(s): Toby Garrod; François Brunet; Christian Galstad; Michael Klaus; Don Olson; Chris Zenner; Yan Xiao; Luke Mawst; Dan Botez
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Paper Abstract

Incorporating monolithic distributed feedback (DFB) gratings into broad-area (BA) diode lasers results in ten times narrower spectral width and four-to-five times lower thermal shift in emission wavelength. We report on our progress to obtaining a high-power, high-efficiency DFB diode pump in the 1.4-1.6 μm wavelength range for use in industrial and military, eye-safe applications. Results for Fabry-Perot diode lasers emitting at 1530 nm are also discussed. We report on an index-guided, single-emitter design (0.15 x 0.01 cm2) capable of producing 2.5 W of continuous-wave output power at room-temperature with a peak power conversion efficiency of 50%.

Paper Details

Date Published: 26 February 2013
PDF: 7 pages
Proc. SPIE 8605, High-Power Diode Laser Technology and Applications XI, 86050I (26 February 2013); doi: 10.1117/12.2004060
Show Author Affiliations
Toby Garrod, Alfalight, Inc. (United States)
François Brunet, Alfalight, Inc. (United States)
Christian Galstad, Alfalight, Inc. (United States)
Michael Klaus, Alfalight, Inc. (United States)
Don Olson, Alfalight, Inc. (United States)
Chris Zenner, Alfalight, Inc. (United States)
Yan Xiao, Alfalight, Inc. (United States)
Luke Mawst, Univ. of Wisconsin-Madison (United States)
Dan Botez, Univ. of Wisconsin-Madison (United States)

Published in SPIE Proceedings Vol. 8605:
High-Power Diode Laser Technology and Applications XI
Mark S. Zediker, Editor(s)

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