Fiber optic sensing systems and method of use thereof

Details Fiber optic sensing systems and method of use thereof Fiber optic sensing systems and method of use thereof

2005-05-03

2005-05-03

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S227230

Reexamination Certificate

active

06888125

ABSTRACT:
A fiber optic sensor system comprises at least one measuring sensor1providing an optical output dependent upon one or more parameters to be measured, e.g. temperature, and at least one reference sensor2providing a reference output for comparison with the measuring sensor output. The reference sensor is provided in a birefringent fiber.The system includes a detecting means13,14whereby a reference beat signal f2is derived by measuring the optical frequency splitting between frequency components in different polarization planes of the reference sensor output. A further beat signal f3is generated between the measuring and reference sensor outputs, such beat signals being used to derive a measurement of one or more parameters.

REFERENCES:
patent: 4818064 (1989-04-01), Youngquist et al.
patent: 5361130 (1994-11-01), Kersey et al.
patent: 5564832 (1996-10-01), Ball et al.
patent: 5844927 (1998-12-01), Kringlebotn
patent: 6097487 (2000-08-01), Kringlebotn et al.
patent: 6137573 (2000-10-01), Luke et al.
Copy of International Search Report for Serial No. PCT/GB01/05490 dated Feb. 25, 2002. X reference and Article by Zhang, et al. were previously cited in an IDS.
W. Zhang, et al.; “A fibre grating DFB laser for generation of optical microwave signal”; Optics & Laser Technology 32 (2000) pp. 369-371.

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