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Proceedings Paper

Comparison of photodarkening in Ytterbium-doped fibers
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Paper Abstract

Development of photodarkening in two similar large-mode-area ytterbium doped fibers from different sources is compared. The excess loss induced by photodarkening is derived from transmission loss measurements of pristine and pumped or photodarkened samples. To accelerate the photodarkening process, cladding pumping is used so as to achieve high and uniform inversion through the sample. Further, intensity profiles are measured and compared in effort to detect possible radial variations in the induced losses.

Paper Details

Date Published: 22 February 2008
PDF: 6 pages
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687325 (22 February 2008); doi: 10.1117/12.775012
Show Author Affiliations
Mikko Söderlund, Helsinki Univ. of Technology (Finland)
Joan Montiel, Helsinki Univ. of Technology (Finland)
Simo Tammela, Corelase Oy (Finland)
Sanna Yliniemi, Helsinki Univ. of Technology (Finland)
Seppo Honkanen, Helsinki Univ. of Technology (Finland)

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

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