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Comparison of Tm-doped fiber laser performance as diode pumped at 800 nm and 1620 nm
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Paper Abstract

We compare the laser performance of a low Tm3+-doped silica fiber laser as pumped at 800 nm to one as pumped at 1620 nm. Using 800 nm non-resonant (3H63H4) pumping, 5.5 W of 1940 nm at 32% optical slope efficiency was demonstrated while 1620 nm resonant pumping (3H63F4) yielded 13 W with 55% slope efficiency from the same Tm-doped fiber. We also include experimental results our first demonstration of 1620 nm resonant pumping of a Tm-doped fiber with 15.5 W and 67% slope efficiency using an optimized fiber coupled source.

Paper Details

Date Published: 22 February 2018
PDF: 4 pages
Proc. SPIE 10528, Optical Components and Materials XV, 1052808 (22 February 2018); doi: 10.1117/12.2296589
Show Author Affiliations
G. A. Newburgh, U.S. Army Research Lab. (United States)
J. Zhang, U.S. Army Research Lab. (United States)
M. Dubinskii, U.S. Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 10528:
Optical Components and Materials XV
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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