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Optical Engineering

Influence of birefringence dispersion on distributed measurement of polarization coupling in birefringent fibers
Author(s): Feng Tang; Xiangzhao Wang; Yimo Zhang; Wencai Jing
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Paper Abstract

A white light interferometer is developed to measure the distributed polarization coupling in high-birefringence polarization-maintaining fibers (PMFs). Usually the birefringence dispersion between two orthogonal eigenmodes of PMFs is neglected in such systems. Theoretical analysis and experimental results show that the birefringence dispersion becomes a nonnegligible factor in a long-fiber test. Significant broadening of interferograms and loss of longitudinal coherence are observed. The spatial resolution and measurement sensitivity of the system decrease correspondingly. Optimum spectrum width selection is presented for better spatial resolution and measurement range.

Paper Details

Date Published: 1 July 2007
PDF: 7 pages
Opt. Eng. 46(7) 075006 doi: 10.1117/1.2756065
Published in: Optical Engineering Volume 46, Issue 7
Show Author Affiliations
Feng Tang, Shanghai Institute of Optics and Fine Mechanics (China)
Xiangzhao Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Yimo Zhang, Tianjin Univ. (China)
Wencai Jing, Tianjin Univ. (China)

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