Vibration Detection System Based on Biconical Tapered Fiber and the Method thereof
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United States of America Patent
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Issued Date -
Dec 4, 2014
app pub date -
Jun 3, 2013
filing date -
Jun 3, 2013
priority date (Note) -
Abandoned
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Abstract
A vibration detection system comprises a light source, a biconical tapered fiber comprising a biconical fiber taper and a detector is disclosed. The emission light emitted by the light source is directed to the biconical tapered fiber in one side. A detector is coupled to the other end of the biconical tapered fiber to measure the intensity of the light passing through. When the biconical tapered fiber is exposed to an external vibration, the biconical fiber taper deforms and modulates the light intensity accordingly. The received signal is then fed to the microcomputer to determine the amplitude and frequency of the external vibration. A method of vibration detection is also disclosed.
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