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Proceedings Paper

High-power very high-brightness fiber-coupled diode laser arrays
Author(s): D. M. Grasso; S. D. Roh
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Paper Abstract

Using wavelength beam combination, we report greater than 100 W out of a 100 μm core, 0.2 numerical aperture fiber. We emphasize that this is reliable CW power from an optical system that does not suffer from distortion due to heating in gold-coated, polymer-based diffraction gratings. We show that using high-brightness bars with single-mode emitters, the wavelength beam combination technique is capable of achieving high power out of a 50 μm core, 0.2 numerical aperture fiber with good coupling efficiency.

Paper Details

Date Published: 17 April 2008
PDF: 4 pages
Proc. SPIE 6952, Laser Source Technology for Defense and Security IV, 69520B (17 April 2008); doi: 10.1117/12.777723
Show Author Affiliations
D. M. Grasso, Coherent, Inc. (United States)
S. D. Roh, Coherent, Inc. (United States)

Published in SPIE Proceedings Vol. 6952:
Laser Source Technology for Defense and Security IV
Mark Dubinskii; Gary L. Wood, Editor(s)

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