Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1985-08-29
1988-05-10
Willis, Davis L.
Optics: measuring and testing
By particle light scattering
With photocell detection
250227, 367149, 367153, G01B 902
Patent
active
047431130
ABSTRACT:
A radiation source launches a radiant pulse of a desired width into a plurality of parallel-coupled optical sensors for modulation by a quantity to be measured. The modulated output from any two sensors taken in all combinations are interferometrically combined to generate a series of time-separated interference patterns. The interference patterns are probed by a photodetector and vectorially combined to provide the vector gradient of the quantity under measurement.
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Kane Barry C.
Knox William A.
Koren Matthew W.
Western Atlas International Inc.
Willis Davis L.
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