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Proceedings Paper

Comparison of in-band pumped Tm:fiber and Ho:fiber
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Paper Abstract

Thulium and holmium have become the rare earth dopants of choice for generating 2 micron laser light in silica fiber. The majority of Tm:fiber lasers are pumped with high power diodes at 790nm and rely upon cross-relaxation processes to achieve optical-to-optical efficiencies of 55-65%. Tm:fiber lasers can also be pumped at <1900nm by another Tm:fiber laser to minimize quantum defect, reaching efficiencies >90%. Ho:fiber lasers are similarly pumped by Tm:fiber lasers at 1900-1950nm, with <70% typical efficiency. In this work, Tm:fiber and Ho:fiber lasers are in-band pumped using the same experimental setup to directly compare their performance as 2 micron sources.

Paper Details

Date Published: 11 March 2016
PDF: 7 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97280S (11 March 2016); doi: 10.1117/12.2209440
Show Author Affiliations
Alex Sincore, Univ. of Central Florida (United States)
Lawrence Shah, Univ. of Central Florida (United States)
Vadim Smirnov, OptiGrate Corp. (United States)
Martin Richardson, Univ. of Central Florida (United States)

Published in SPIE Proceedings Vol. 9728:
Fiber Lasers XIII: Technology, Systems, and Applications
John Ballato, Editor(s)

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