Laser beam optical system with inclined cylindrical lens

Details Laser beam optical system with inclined cylindrical lens Laser beam optical system with inclined cylindrical lens

1983-04-29

1986-05-06

Henry, Jon W.

350433, 350446, G02B 2610

Patent

active

045867828

ABSTRACT:
A laser beam optical system used under the condition that an optical axis of a lens is arranged to be inclined with respect to an incident laser beam, and an effective focal length of the lens is made shorter than a focal length with respect to an on-axis light beam. A mirror lens with one surface designed as a plane reflective mirror is used for ease of manufacture. In addition, if the mirror lens is used as a cylindrical lens for the photodeflector of the system, the lens surface can be directed downwardly to remove a ghost image and prevent accumulation of dust.

REFERENCES:
patent: 3972584 (1976-08-01), Lobb
patent: 4080633 (1978-03-01), Starkweather
patent: 4090775 (1978-05-01), Lobb
patent: 4226500 (1980-10-01), Minoura et al.
patent: 4248495 (1981-02-01), Minoura

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