Title: Distributed optical fiber vibration sensing method and apparatus thereof
Application Number: 200610019376 Application Date: 2006.06.15
Publication Number: 1862239 Publication Date: 2006.11.15
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01H9/00,G02B6/26,G02B6/42
Applicant(s) Name: Huazhong Univ. of Science and Technology Address: 430074
Inventor(s) Name: Liu Deming, Sun Qizhen, Liu Hairong
Attorney & Agent: wang shouren
Abstract:
     The present invention relates to a distributed optical fibre vibration sensing method based on double loop Mach-Zehnder interference and its equipment. Said equipment includes the following several portions: laser, fiber-optic coupler, two sensing optical fibres, optical circulator and photoelectric detector. Besides, said invention also provides the concrete steps for implementing the invented distributed optical fibre vibration sensing method.
Time: 4
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