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Proceedings Paper

Extreme temperature operation of thulium-doped silica fiber lasers
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Paper Abstract

We measure changes in the 2um absorption and emission spectra of thulium-doped silica fiber lasers operating from 80 K – 373 K. Reduction of the long wavelength tail of the 3H6-3H4 absorption feature under cryogenic cooling allows for efficient lasing in the 1800nm region. Greater than 17 W of output power was generated at 1850 nm by 793 nm diode-pumping a free-running single-mode thulium oscillator under cryogenic cooling conditions.

Paper Details

Date Published: 22 February 2017
PDF: 7 pages
Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100830J (22 February 2017); doi: 10.1117/12.2252011
Show Author Affiliations
Benjamin R. Johnson, BAE Systems (United States)
Daniel J. Creeden, BAE Systems (United States)
Scott D. Setzler, BAE Systems (United States)

Published in SPIE Proceedings Vol. 10083:
Fiber Lasers XIV: Technology and Systems
Craig A. Robin; Ingmar Hartl, Editor(s)

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