Lens inclination adjustment system using an interferometer

Details Lens inclination adjustment system using an interferometer Lens inclination adjustment system using an interferometer

1997-07-23

1999-06-29

Pham, Hoa Q.

Optics: measuring and testing

By polarized light examination

With birefringent element

356358, G01B 902

Patent

active

059175990

ABSTRACT:
A lens inclination adjustment system includes an interferometer unit, an inclination adjusting unit and a data processing unit. The data processing unit compares data of the interference fringes generated by the interferometer with predetermined image data to determine inclination status of the lens. Thereafter, in the adjusting unit, the current inclination status of the lens is detected. The data processing unit then calculates a target position to which the inclination status of the lens should be adjusted, and displays a position indicating the current inclination status and the target position on a screen.

REFERENCES:
patent: 4201473 (1980-05-01), Domenicali et al.
patent: 4537473 (1985-08-01), Maschmeyer
patent: 5379105 (1995-01-01), Iki et al.
patent: 5432606 (1995-07-01), Noguchi et al.
patent: 5553052 (1996-09-01), Oono et al.

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