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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 1 — Jan. 1, 2011
  • pp: 65–68

Temperature influence on the photodarkening kinetics in Yb-doped silica fibers

Martin Leich, Sylvia Jetschke, Sonja Unger, and Johannes Kirchhof  »View Author Affiliations


JOSA B, Vol. 28, Issue 1, pp. 65-68 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000065


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Abstract

We report on the characterization of photodarkening (PD) kinetics of Yb-doped fiber samples in a wide temperature range from 77 to 773 K and with respect to different Yb 2 O 3 concentrations from 0.09 up to 0.68   mol % . The thermal dependency of important PD parameters is presented for a uniform Yb inversion of about 0.46. We have found out that PD kinetics is affected remarkably by temperature during pumping and that PD saturation is an equilibrium of optical and thermal processes, achieved after passing a loss maximum. The saturated loss for time tending to infinity obviously depends on the fiber temperature.

© 2011 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2290) Fiber optics and optical communications : Fiber materials
(140.3510) Lasers and laser optics : Lasers, fiber
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 14, 2010
Revised Manuscript: October 20, 2010
Manuscript Accepted: October 26, 2010
Published: December 13, 2010

Citation
Martin Leich, Sylvia Jetschke, Sonja Unger, and Johannes Kirchhof, "Temperature influence on the photodarkening kinetics in Yb-doped silica fibers," J. Opt. Soc. Am. B 28, 65-68 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-1-65

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