Aberration measuring method

Details Aberration measuring method Aberration measuring method

1983-05-19

1987-02-10

Rosenberger, R. A.

Optics: measuring and testing

Lens or reflective image former testing

For optical transfer function

356127, G01B 900

Patent

active

046419624

ABSTRACT:
In aberration measurement, a light beam from a light source provided at the image plane position of a lens to be examined is caused to enter the lens to be examined, the light beam passed through the lens to be examined, is separated into a plurality of light rays in a plane perpendicular to a principal ray or in a plane perpendicular to the optical axis of the lens to be examined, and the position of each light beam is detected at a position which is spaced apart from a position optically conjugate with said image plane position with respect to the lens to be examined and at which the plurality of light rays can be separated from one another.

REFERENCES:
patent: 3891322 (1975-06-01), Hock
patent: 4139305 (1979-02-01), Lapornik
patent: 4275964 (1981-06-01), Vassiliadis
patent: 4281926 (1981-08-01), Cornsweet

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