Optical fibre interferometer

Details Optical fibre interferometer Optical fibre interferometer

1987-03-10

1988-08-30

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

250227, G01B 902

Patent

active

047672102

ABSTRACT:
An optical fibre Michelson interferometer has mirrors of highly reflective coatings deposited on the ends of the fibres forming the free arms of the interferometer. The interferometer preferably comprises single mode fibres, and is operated by a frequency swept laser.
The interferometer has applications in the optical fibre interferometer sensing field.

REFERENCES:
patent: 4322829 (1982-03-01), Davis et al.
patent: 4420260 (1983-12-01), Martinelli
patent: 4482248 (1984-11-01), Paupuchon et al.
patent: 4533247 (1985-08-01), Epworth
"Fibre Optic Sensors" by T. G. Giallorenzi, Optics and Laser Technology, Apr. 1981, pp. 73-78.
"Short Communication" by F. Parmigiani, Optical and Quantum Electronics, vol. 10, 1978, pp. 533-535.
"High Noise Rejection Fibre-Optic Probe for Interferometric Applications", M. Martinelli, Optics Letters, vol. 7, (1982), Apn. Nott, New York.
Fiber-Optic Michelson Interferometer Using an Optical Power Divider, M. Imai et al., Optics Letters, vol. 5, (1980) Oct., No. 10.
Flexible Coherent Optical Probe for Vibration Measurements, S. Ueha et al., Optics Communications, vol. 23, No. 3, Dec. 1977, pp. 407-409.
Single Fibre Interferometric Accoustic Sensor, J. A. Bucaro et al., Applied Optics, vol. 17, No. 3, Feb. 1, 1978.
Monomode Polarization Maintaining Optical Fibre Directional Couplers, B. K. Nayer and D. R. Smith, Optics Letters, vol. 8, pp. 543-545, Oct. 1983.

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