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Proceedings Paper

Research of detecting technique of low light in optic fiber's cladding
Author(s): Wei Mu; Cheng-lin Xu; Xu Si; Yun-liang Ma; Ya-jun Lin; Chun Xiao
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Paper Abstract

Technique of residual cladding pump light detection in active fiber is researched, which is used in assembling the fiber laser system. With this technology, a fiber probe is used to detect the pump light leaking from the cladding with fiber’s coating on or stripped. It’s found that there is a linear relationship between leaking light power and pump light power, and the proportional coefficient is measured. Therefore, there’s no need to cut and fuse the active fiber many times to get the best length of active fiber, and it can save the measuring period and experiment expense a lot. Two types of fiber probes are used, tapered fiber probes and bevel fiber probes. The testing results of low light using these two fiber probes are given and the detecting method is verified.

Paper Details

Date Published: 15 October 2015
PDF: 5 pages
Proc. SPIE 9674, AOPC 2015: Optical and Optoelectronic Sensing and Imaging Technology, 96740Y (15 October 2015); doi: 10.1117/12.2199075
Show Author Affiliations
Wei Mu, China Electronics Technology Group Corp. (China)
Cheng-lin Xu, China Electronics Technology Group Corp. (China)
Xu Si, China Electronics Technology Group Corp. (China)
Yun-liang Ma, China Electronics Technology Group Corp. (China)
Ya-jun Lin, China Electronics Technology Group Corp. (China)
Chun Xiao, China Electronics Technology Group Corp. (China)


Published in SPIE Proceedings Vol. 9674:
AOPC 2015: Optical and Optoelectronic Sensing and Imaging Technology
Haimei Gong; Nanjian Wu; Yang Ni; Weibiao Chen; Jin Lu, Editor(s)

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