Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1988-06-23
1989-09-12
Willis, Davis L.
Optics: measuring and testing
By particle light scattering
With photocell detection
356351, G01B 902
Patent
active
048654507
ABSTRACT:
A heterodyne type interferometer utilizing two optically aligned photoelac modulators driven at the same frequency and in phase quadrature.
REFERENCES:
patent: 4340304 (1982-07-01), Massie
Ueha et al., Optics Communications, vol. 23, No. 3, pp. 407-409, Dec. 1977.
Mottier, Proc. SPIE, vol. 153, pp. 133-138, Aug. 1978.
Heimlich Robert M.
Munechika Stacy M.
Stinson William E.
Donahue Richard J.
Koren Matthew W.
Singer Donald J.
United States of America as represented by Secretary of the Air
Willis Davis L.
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