Laser-testing scatterferometer

Details Laser-testing scatterferometer Laser-testing scatterferometer

1984-01-26

1986-02-18

Kittle, John E.

Optics: measuring and testing

Inspection of flaws or impurities

Transparent or translucent material

356 355, 356345, 356339, G01B 902

Patent

active

045710775

ABSTRACT:
In order to test a laser rod for inclusions, which the usual interferometer oes not test, one of the interferometer mirrors is placed on a lens such that light scattered from inclusions in the rod passes through the lens to a detector.

REFERENCES:
patent: 3892494 (1975-07-01), Baker et al.
patent: 4056323 (1977-11-01), Ludman
patent: 4269518 (1981-05-01), Rahn
patent: 4310242 (1982-01-01), Genco et al.

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