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Measurement of Strain Sensing Based on All-Fiber Mach-Zehnder Interferometer(PDF)

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

Issue:
2010年01期
Page:
85-88
Research Field:
Publishing date:

Info

Title:
Measurement of Strain Sensing Based on All-Fiber Mach-Zehnder Interferometer
Author(s):
Lu Huali; Wang Ming; Dai Xiajuan; Guo Wenhua
School of Physical Science and Technology,Nanjing Normal University,Nanjing 210046,China
Keywords:
optica lm easurem ent;  a ll fiberM ach Zehnder inte rferom eter;  stra in sensor
PACS:
TP212.14
DOI:
-
Abstract:
An a ll??fibe rM ach Zehnder interfe rence sy stem w as resea rched and used to m easure the m icro strain. The basic structure and theo ry o fM ach Zehnder in terferencem easurem ent sy stem w ere introduced, and the signa l processing techniquew as d iscussed. Severa l g roups of the inte rference signa ls unde r d iffe rent stra in cond itions w ere m easured through the exper iment, and the data w ere ana lyzed and processed, and the stra in inform ation w as dem odu la ted out o f the in terference s igna ls. The expe rim en t dev ice is uncomp licated and easy to operate. The result of the experim ent prov ed that com pared w ith the sensor exper im ent dev ice, a ll fibe rM ach Zehnder interfe rome ter has higher frequency re  sponse and sens itiv ity.

References:

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Last Update: 2013-04-02