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Proceedings Paper

Experiment study on measurement of the optical fiber refractive index based on digital holography
Author(s): Duocheng Wang; Zheng Chang; Sujuan Huang
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Paper Abstract

The characteristics of optical fiber are quite important for improving the performance in various application of the optical fiber including communication and sensor systems. Based on optical Mach-Zehnder interferometer, a new measuring method of optical fiber refractive index profiling using digital holography is proposed in this paper, which simplifies the experimental setup compared to traditional holography. Several kinds of fiber samples such as multimode fiber, polarization-preserving fiber and special fiber are tested and their holograms are recorded by CCD. After filtering of the hologram, the phase distribution of fiber sample can be reconstructed and extracted. At last the experimental results of refractive index profiling of fiber are given.

Paper Details

Date Published: 26 November 2012
PDF: 8 pages
Proc. SPIE 8556, Holography, Diffractive Optics, and Applications V, 85561K (26 November 2012); doi: 10.1117/12.999934
Show Author Affiliations
Duocheng Wang, Shanghai Univ. (China)
Zheng Chang, Shanghai Univ. (China)
Sujuan Huang, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 8556:
Holography, Diffractive Optics, and Applications V
Yunlong Sheng; Chongxiu Yu; Linsen Chen, Editor(s)

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