Optical fiber interferosensor, signal-processing system for...

Details Optical fiber interferosensor, signal-processing system for... Optical fiber interferosensor, signal-processing system for...

2006-05-09

2006-05-09

Nguyen, Khiem (Department: 2839)

Optical waveguides

Optical waveguide sensor

Reexamination Certificate

active

07043102

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.

REFERENCES:
patent: 6539136 (2003-03-01), Dianov et al.
patent: 6647160 (2003-11-01), Chi et al.
patent: 6647161 (2003-11-01), Hodge
patent: 6701032 (2004-03-01), Freeman et al.

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