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Spectral character of polarization-maintaining fiber Bragg grating interrogated by different linearly polarized light.
- Source :
- Optical Engineering; Apr2013, Vol. 52 Issue 4, p1-4, 4p
- Publication Year :
- 2013
-
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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00913286
- Volume :
- 52
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Optical Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 92988683
- Full Text :
- https://doi.org/10.1117/1.OE.52.4.045004