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Dynamic response of stressed high birefringent fibers

Optical response on periodic stress on the high birefringent fibers was studied. The stress frequency was varied in the range from few hundreds Hz to few kHz. Sensitivity of the response dependence on the azimuth of an exerted force was examined. A phase change of the optical response with the azimuth variation was observed. As a result of the study detection of vibro-acoustic signals with a polarimetric sensor was proved.