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Proceedings Paper

Measurement of high-photodarkening resistance in phosphate fiber doped with 12% Yb2O3
Author(s): Y. W. Lee; S. Sinha; M. J. F. Digonnet; R. L. Byer; S. Jiang
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Paper Abstract

We report the measurement of photodarkening in single-mode phosphate fibers with a Yb3+ concentrations of 7.1 × 1026 m-3 and 1.42 × 1027 m-3 (6 wt.% and 12 wt.% Yb2O3).We compare the photodarkening resistance of these phosphate fibers with that of three single-mode Yb3+-doped silica fibers. Our data shows that under strong pumping conditions, phosphate fibers allow Yb3+ concentrations that are least 6 times greater than the most photodarkening-resistant silica fibers to date without the onset of photodarkening at 660 nm.

Paper Details

Date Published: 25 February 2008
PDF: 7 pages
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 68731D (25 February 2008); doi: 10.1117/12.774938
Show Author Affiliations
Y. W. Lee, Stanford Univ. (United States)
S. Sinha, Stanford Univ. (United States)
M. J. F. Digonnet, Stanford Univ. (United States)
R. L. Byer, Stanford Univ. (United States)
S. Jiang, NP Photonics (United States)


Published in SPIE Proceedings Vol. 6873:
Fiber Lasers V: Technology, Systems, and Applications
Jes Broeng; Clifford Headley, Editor(s)

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