Optics: measuring and testing – Lens or reflective image former testing – For optical transfer function
Patent
1992-06-16
1994-09-27
Rosenberger, Richard A.
Optics: measuring and testing
Lens or reflective image former testing
For optical transfer function
G01B 900
Patent
active
053511190
ABSTRACT:
A method for measuring an anamorphic lens includes a first step of converging a light beam emitted by a light source towards a reference standard and adjusting the reference standard along the travel direction of the light beam so that the light beam reflected by the reference standard forms a point spread function image or a line spread function image on a focal plane. A second step of replacing the reference standard with an anamorphic lends to be measured and adjusting the same so that the light beam reflected by the anamorphic lens forms a line spread function image on the focal plane, and a third step of measuring the anamorphic by comparing the first step with the second step are provided.
REFERENCES:
patent: 3544796 (1967-07-01), Baker
patent: 4611913 (1986-09-01), Sugino
patent: 4759626 (1988-07-01), Kroko
patent: 4818108 (1989-04-01), Eppinger
Smurty et al. "Measurement of Long Radius of Curvature," Mar./Apr. 1983, pp. 1-5.
"Measurement of Long Radius of Curvature", Murty et al., Mar./Apr. 1983, pp. 1-5.
"University Physics", Sears et al., 1970, p. 577.
"A New Dictionary of Physics", Gray et al., 1975, pp. 30 and 128.
"British Journal of Photography", Jun. 20, 1952, p. 299.
Asahi Kogaku Kogyo Kabushiki Kaisha
Hantis K. P.
Rosenberger Richard A.
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