Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1995-12-05
1998-06-23
Buczinski, Stephen C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
25022711, 25022724, 25022725, 356 407, 356575, G01C 308, G01B 1124, G01J 104
Patent
active
057710910
ABSTRACT:
A sensor for sensing the distances to a medium and/or the physical properties thereof, including a housing, at least one pair of optical fibers, each having an input end portion and an output end portion, the input end portion of a first fiber being connectable to a source of light and the output end portion of a second fiber being connectable to a light intensity measuring device. The sensor further includes the input and output end portions, wherein each of the output portion of the first fiber and input end portion of the second fiber has an axis and a rim, the rim being cut at an angle .THETA. with respect to the axis and being affixedly located in a plane at least in proximity to, and facing, each other, so as to include an angle .alpha. between the axes thereof. The arrangement is such that, upon operation, the light emerging from the output end portion of the first fiber impinges on a surface of a medium, at an angle of incidence .beta., and wherein .beta.=.function.(.alpha.,.THETA.). A method of at least indirectly measuring distances to, and/or physical properties of a medium, is also provided.
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JP 58 090173 A (Tokyo Keiki K.K.), May 28, 1993, Abstract.
Kots Alexander
Paritsky Alexander
Buczinski Stephen C.
Phone-Or Ltd
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