Non-optimum waveguide optical sensor

Details Non-optimum waveguide optical sensor Non-optimum waveguide optical sensor

1986-04-17

1987-07-07

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

250227, 350 9629, 356 1, 356152, G01B 1126, G01C 300, H01J 516

Patent

active

046783288

ABSTRACT:
A novel optical sensor for measuring the separation of remote optical sources includes first and second optical fibers which are characterized by non-optimum optical waveguiding such that refractive index of optical fiber cores are selected to be less than that of the optical fiber cladding. Optical detectors receive only optical signals presented within the narrow acceptance angle of the optical fibers and provide equivalent electrical signals.

REFERENCES:
patent: 3152317 (1964-10-01), Mayer
patent: 3329818 (1967-07-01), Woehl
patent: 3352223 (1967-11-01), Garra
patent: 3746454 (1973-07-01), Pace et al.
patent: 3953131 (1976-04-01), Britz et al.
patent: 4443699 (1984-04-01), Keller
patent: 4514084 (1985-04-01), Makimo et al.
patent: 4625108 (1986-11-01), Nestel et al.

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