Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1987-04-29
1988-11-15
Willis, Davis L.
Optics: measuring and testing
By particle light scattering
With photocell detection
356351, G01B 902
Patent
active
047844892
ABSTRACT:
A remote receiver for laser interferometer systems is split into two parts connected by a fiber optic link. The front-end of the receiver, located near the remote interferometer optics, houses only the optical components for focusing and mixing the laser beam, and transmits the beam through an optical fiber cable. The back-end of the receiver, located remotely, houses the electronic components for detecting and measuring the frequency difference to produce the signal for the measurement electronics.
REFERENCES:
patent: 4153370 (1979-05-01), Corey
Cutler Leonard S.
Giffard Robin P.
Holland William D.
Wuerz Lawrence J.
Hewlett--Packard Company
Koren Matthew W.
Williams James M.
Willis Davis L.
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