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Analysis of Phase-Shifted Fiber Bragg Grating Sensing Under Transverse Force(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2014年01期
Page:
82-86
Research Field:
Publishing date:

Info

Title:
Analysis of Phase-Shifted Fiber Bragg Grating Sensing Under Transverse Force
Author(s):
Sun Yongxi; Wang Yipin; Huang Xiaoqin
School of Physical Science and Technology,Nanjing Normal University,Nanjing 210023,China
Keywords:
phase-shifted fiber Bragg grating; fiber sensing; spectral character
PACS:
TN253
DOI:
-
Abstract:
The characteristic of phase-shifted fiber Bragg grating(PS-FBG)under transverse force was studied theoretically and experimentally.Based on the transfer matrix method,the transmission spectral characteristics of PS-FBG are analyzed,and the corresponding mechanical models for the PS-FBG under transverse force are established.The theoretical analysis suggests that the narrow central transmission window is split with splitting distance is linearly proportional to the applied transverse force.Under the transverse force conditions of 0-1 N,a force resolution of 1.4×10-3 N/mm is obtained.The experiment results agree well with the simulation results.

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Last Update: 2014-03-31