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Proceedings Paper

Characteristics analysis of coating layer power distribution of eccentric core optical fiber
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Paper Abstract

Modal fields, propagation constant and power distribution of single-mode eccentric core optical fiber are calculated based on the weakly wave-guiding approximation. The calculation of the propagation constant and power distribution is in terms of the change of the coating refractive index and eccentric distance. It is found that the evanescent field power depends on the coating refractive index and eccentric distance. In eccentric core side coating, the higher coating refractive index, the stronger evanescent field power and the larger eccentric distance, the weaker evanescent field power. The present results will be useful for deciding the geometric structure of the fiber to achieve maximum power of the evanescent field in eccentric core side coating to enhance the sensing sensitivity.

Paper Details

Date Published: 30 November 2012
PDF: 7 pages
Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 85611R (30 November 2012); doi: 10.1117/12.2001033
Show Author Affiliations
Jianxia Liu, Harbin Engineering Univ. (China)
Heilongjiang Institute of Science and Technolology (China)
Hongchang Deng, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering Univ. (China)


Published in SPIE Proceedings Vol. 8561:
Advanced Sensor Systems and Applications V
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan, Editor(s)

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