Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1990-11-07
1992-03-10
Buczinski, Stephen C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
385 8, 385 14, 385 15, 385 33, G01P 336
Patent
active
050945262
ABSTRACT:
A Doppler velocimeter for measuring the doppler frequency shift of light scattered from particles suspended in a medium. The velocimeter includes a light source and an integrated optical waveguide having a first optical waveguide path for receiving an incident beam of light from the light source at one end. The first waveguide path further guides the incident beam to a second end which is located in the medium adjacent the particles. A second optical waveguide path is optically coupled to the first waveguide path for receiving the scattered light from the particles as well as the non-scattered light and guiding both to the other end thereof. A detector receives the scattered and non-scattered light from the second waveguide and converts it to an electrical signal indicative of the doppler frequency shift.
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Freud Paul J.
Trainer Michael N.
Buczinski Stephen C.
General Signal Corporation
Kleinman Milton E.
Miller William G.
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