Non-contact measurement apparatus using bifurcated optical fiber

Details Non-contact measurement apparatus using bifurcated optical fiber Non-contact measurement apparatus using bifurcated optical fiber

1993-05-19

1996-01-09

Rosenberger, Richard A.

Optics: measuring and testing

By polarized light examination

With light attenuation

356373, 25022711, G01B 1114

Patent

active

054833477

ABSTRACT:
A non-contact measurement apparatus (10) includes a bifurcated bundle of optical fibers (12), a first arm (14) of which is adapted to receive light from a light source (24) and direct the light toward a surface (32) to be measured and a second arm (16) of which is adapted to convey light from the surface (32) to a light detector (26) such that the light intensity received by the detector (26) is indicative of the position of the surface (32).

REFERENCES:
patent: Re34345 (1993-08-01), Vinarub et al.
patent: 4750835 (1988-06-01), McMurtry
patent: 4786176 (1988-11-01), Froome
patent: 5063290 (1991-11-01), Kersey

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