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Proceedings Paper

Analysis of photonic crystal fiber bend character
Author(s): Weihong Bi; Xuan Guo; Shuo Ma; Guangwei Fu; Wa Jin
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Paper Abstract

With the development of optical fiber manufacture and optical fiber sensor technology, more and more attention is paid to the photonic crystal fiber (PCF) sensors, such as gas sensors, bend sensors and strain sensors. Especially, the bend character of PCF is very important for designing bend sensors. In this paper, we adopt the multipole method to study the bend character of Total Internal Reflection PCF (TIR-PCF), and the relationship between bend radius and bend loss of TIR-PCF is investigated theoretically. As a result, the bend loss of PCF will be variable according to bend radius and it is also different with the same bend radius as the TIR-PCF structure parameter is different. Furthermore, the bend stress distribution on the TIR-PCF is analyzed carefully, and the minimum endurable bend radius is given. The simulation result in this paper will provide primary references for the PCF bend sensors designing.

Paper Details

Date Published: 23 February 2009
PDF: 7 pages
Proc. SPIE 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors, 72780P (23 February 2009); doi: 10.1117/12.821313
Show Author Affiliations
Weihong Bi, Yanshan Univ. (China)
Xuan Guo, Yanshan Univ. (China)
Shuo Ma, Yanshan Univ. (China)
Guangwei Fu, Yanshan Univ. (China)
Wa Jin, Yanshan Univ. (China)

Published in SPIE Proceedings Vol. 7278:
Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors
Dieter Stefan Jäger; Deming Liu; Ping Shum, Editor(s)

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