Fiber optic position transducer

Details Fiber optic position transducer Fiber optic position transducer

1988-03-31

1990-08-07

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

25022721, 356 1, G01C 308, H01J 516

Patent

active

049462750

ABSTRACT:
The disclosure is directed to a distance measurement system for monitoring changes in distances between a source of illumination and a reflective surface. A white light source is directed into a transmit fiber optic element which terminates at a graded index lens (grin) which collimates the light. The light output from the grin lens passes through a single grating or a plurality of different gratings which dispose the white light into a spectrum which is directed to the reflective surface spaced therefrom at an unknown distance. The dispersed light bouncing off the reflective surface enters a receiver fiber optic device connected to a detection system for determining the spaced distance between the grating or gratings and the reflective surface.

REFERENCES:
patent: 3327584 (1967-06-01), Kissinger
patent: 4310227 (1982-01-01), Zinchuk
patent: 4349277 (1982-09-01), Mundy et al.
patent: 4357104 (1982-11-01), Davinson

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