Optics: measuring and testing – Material strain analysis – By light interference detector
Patent
1989-01-11
1990-01-02
McGraw, Vincent P.
Optics: measuring and testing
Material strain analysis
By light interference detector
73800, 350419, 356353, G01B 1116, G01B 902, G02B 314
Patent
active
048909149
ABSTRACT:
A lens system for the production of shearographic images is disclosed toger with the method for using the lens system.
REFERENCES:
patent: 3161718 (1964-12-01), DeLuca
patent: 3606523 (1971-09-01), Taylor et al.
patent: 4139302 (1979-02-01), Hung et al.
Kuhn David L.
McGraw Vincent P.
Taucher Peter A.
The United States of America as represented by the Secretary of
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