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Proceedings Paper

Comparison of high power large mode area and single mode 1908nm Tm-doped fiber lasers
Author(s): Benjamin R. Johnson; Daniel Creeden; Julia Limongelli; Herman Pretorius; Jon Blanchard; Scott D. Setzler
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Paper Abstract

We compare large mode area (LMA) and single-mode (SM) double-clad fiber geometries for use in high power 1908nm fiber lasers. With a simple end-pumped architecture, we have generated 100W of 1908nm power with LMA fiber at 40% optical efficiency and 117W at 52.2% optical efficiency with single-mode fiber. We show the LMA fiber is capable of generating >200W and the SM fiber is capable of >300W at 1908nm. In all cases, the fiber lasers are monolithic power-oscillators with no free-space coupling.

Paper Details

Date Published: 11 March 2016
PDF: 9 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 972810 (11 March 2016); doi: 10.1117/12.2209677
Show Author Affiliations
Benjamin R. Johnson, BAE Systems (United States)
Daniel Creeden, BAE Systems (United States)
Julia Limongelli, BAE Systems (United States)
Herman Pretorius, BAE Systems (United States)
Jon Blanchard, BAE Systems (United States)
Scott D. Setzler, BAE Systems (United States)

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

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