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Proceedings Paper

High power eye-safe Er3+:YVO4 laser diode-pumped at 976 nm and emitting at 1603 nm
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Paper Abstract

We report on the performance of an eye-safe laser based on a Er:YVO4 single crystal, diode-pumped at 976 nm (4I15/24I11/2 transition) and operating at 1603 nm (4I13/24I15/2 transition) with good beam quality. A 10 mm long Er3+:YVO4 slab, cut with its c-axis perpendicular to the laser cavity axis, was pumped in σ-polarization and lased in π-polarization. The laser operated in a quasi-continuous wave (Q-CW) regime with nearly 9 W output power, and with a slope efficiency of about 39% with respect to absorbed power. This is believed to be the highest efficiency and highest power achieved from an Er3+:YVO4 laser pumped in the 970-980 nm absorption band.

Paper Details

Date Published: 24 February 2016
PDF: 8 pages
Proc. SPIE 9744, Optical Components and Materials XIII, 97440T (24 February 2016); doi: 10.1117/12.2214559
Show Author Affiliations
G. A. Newburgh, U.S. Army Research Lab. (United States)
M. Dubinskii, U.S. Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 9744:
Optical Components and Materials XIII
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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