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Optical Engineering

Spectral character of polarization-maintaining fiber Bragg grating interrogated by different linearly polarized light
Author(s): Huizu Lin; Yongming Hu; Lina Ma; Zhengliang Hu; Qiong Yao
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Paper Abstract

Fiber Bragg grating written in polarization-maintaining fiber is strongly polarization-dependent, and its spectral character depends on the polarization state of light that interrogates the grating. We propose a novel and practical method to test the spectra character of the polarization-maintaining fiber Bragg grating (PM-FBG) interrogated by a linearly polarized light with a different azimuth for the first time. We specially designed a splice with a different angle in the system to alter the azimuth of the input linearly polarized light. Using this method, we got the transmission and reflection spectra of the PM-FBG measured at different splice angles and then the experimental results were analyzed originally. The analysis result shows that the relationship between the transmission dip and the splice angle obeys the Gaussian distribution. The reflectivity of the two wavelengths of the PM-FBG depends on the azimuth of the input linearly polarized light.

Paper Details

Date Published: 12 April 2013
PDF: 5 pages
Opt. Eng. 52(4) 045004 doi: 10.1117/1.OE.52.4.045004
Published in: Optical Engineering Volume 52, Issue 4
Show Author Affiliations
Huizu Lin, National Univ. of Defense Technology (China)
Yongming Hu, National Univ. of Defense Technology (China)
Lina Ma, National Univ. of Defense Technology (China)
Zhengliang Hu, National Univ. of Defense Technology (China)
Qiong Yao, National Univ. of Defense Technology (China)


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