发明名称 |
Apparatus for measuring an ambient isotropic parameter applied to a highly birefringent sensing fiber using interference pattern detection |
摘要 |
An apparatus and a method are provided for measuring an ambient physical parameter applied to a highly birefringent sensing fiber. A light source emits a low coherence light beam into a sensing fiber subjected to an ambient physical parameter. A collector receives the output light beam of the sensing fiber and a splitter divides the output light beam into two orthogonally polarized output beams and subjects the two orthogonally polarized output beams to a range of relative delays. A recombiner combines the two orthogonally polarized output beams to produce an interference pattern, and a detector detects intensities of the interference pattern over the range of delays. A calculating device determines the ambient parameter from the intensities with improved accuracy.
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申请公布号 |
US5517022(A) |
申请公布日期 |
1996.05.14 |
申请号 |
US19940237189 |
申请日期 |
1994.05.03 |
申请人 |
UNIVERSITE DU QUEBEC A HULL |
发明人 |
BOCK, WOJTEK J.;URBANCZYK, WACLAW |
分类号 |
G01D5/353;G01L11/02;G01N21/23;(IPC1-7):G01J1/04 |
主分类号 |
G01D5/353 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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