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Title: Measuring photodarkening from Ytterbium-doped fiber amplifier at 1064 nm wavelength emission
Authors: Li, Nanxi
Yoo, Seongwoo
Xue, Jin
Yu, Xia
Shum, Perry Ping
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Li, N., Yoo, S., Xue, J., Yu, X., & Shum, P. P. (2012). Measuring photodarkening from Ytterbium-doped fiber amplifier at 1064 nm wavelength emission. 2012 Photonics Global Conference (PGC).
Abstract: In this paper, photodarkening effect in Ytterbium doped fiber (YDF) amplifier is experimentally investigated and analyzed. The experimental measurement on such effect is conducted on an YDF amplifier at 1064 nm wavelength emission, under both saturated and unsaturated operational regimes. Our results demonstrate that saturated operation created by higher stimulating power level is favored to mitigate the photodarkening effect as well as to enhance the amplifier's long term reliability. Such phenomenon is explained in terms of population inversion level of Ytterbium ion doped in fiber.
DOI: 10.1109/PGC.2012.6458043
Rights: © 2012 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Conference Papers

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