Phase shift measuring apparatus utilizing optical meterodyne tec

Details Phase shift measuring apparatus utilizing optical meterodyne tec Phase shift measuring apparatus utilizing optical meterodyne tec

1987-05-08

1989-06-27

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

356351, 356361, G01B 902

Patent

active

048424080

ABSTRACT:
A phase shift measuring apparatus for detecting a phase shift of a light wave passing through an object to be measured, including:

REFERENCES:
patent: 3670098 (1972-06-01), Korpel
patent: 4340304 (1982-07-01), Massie
Moore et al, "Measurement of the Optical Properties of Gradient Index Materials", JOSA, vol. 68, No. 9, pp. 1157-1166, 9/78.
"High-Performance Real-Time Heterodyne Interferometry," Massie et al., Applied Optics, vol. 18, No. 11, Jun. 1, 1979.

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