Optical fiber interferosensor, signal-processing system for optical fiber interferosensor and recording medium
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United States of America Patent
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May 9, 2006
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N/A
app pub date -
Sep 19, 2001
filing date -
Sep 20, 2000
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Abstract
A low coherence light of wide range is fed into a Fabry-Perot load cell having a measured clearance varied in response to physical quantities such as force and pressure or the like to modulate its wavelength. The measured clearance is calculated by the variable gap Fabry-Perot interferometer and the signal processing part in the optical sensor and further the physical quantities are measured.
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