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Open AccessArticle10.7498/aps.54.2106

Study on spatial resolution of polarized-modes coupling distributed fiber optic sensor

Xiaojun Zhou,Du Dong,Junjie Gong,电子科技大学宽带光纤传输与通信系统技术重点实验室，成都 610054-2005-01-01-Acta Physica Sinica
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TL;DRAbstract

Phenomena of self-coherence and mutual-coherence of the distributed fiber optic sensor based on the principle of polarized-mode coupling are analyzed. The inter ference characteristics measured by experiment validate the theoretical analysis . The spatial resolution of the distributed fiber optic sensor is determined by the polarized dispersion coefficients of polarization-maintaining fiber and the spectral width of the light source. The spatial resolution of the polarized-mode s coupling distributed fiber optic sensor measured by experiment is 6cm.

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Phenomena of self-coherence and mutual-coherence of the distributed fiber optic sensor based on the principle of polarized-mode coupling are analyzed. The inter ference characteristics measured by experiment validate the theoretical analysis . The spatial resolution of the distributed fiber optic sensor is determined by the polarized dispersion coefficients of polarization-maintaining fiber and the spectral width of the light source. The spatial resolution of the polarized-mode s coupling distributed fiber optic sensor measured by experiment is 6cm.

Keywords

Fiber optic sensorCoherence (philosophical gambling strategy)OpticsPolarization (electrochemistry)Optical fiberSpatial coherenceSpatial dispersionPolarization-maintaining optical fiber

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