Afocal optical system and multibeam recording apparatus comprisi

Details Afocal optical system and multibeam recording apparatus comprisi Afocal optical system and multibeam recording apparatus comprisi

1994-08-16

1995-05-09

Nguyen, Viet Q.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359208, 359298, 359362, 359363, 359364, 359618, 359204, 359744, G11B 7095, G02B 1708

Patent

active

054145511

ABSTRACT:
An afocal optical system is formed by a paraboroid mirror and an optical element having a stereographic projection characteristics which is defined by the following equation:

REFERENCES:
patent: 4205902 (1980-06-01), Shafer
patent: 4398787 (1983-08-01), Balasubramanian
patent: 4474422 (1984-10-01), Kitamura
patent: 4475793 (1984-10-01), Ford
Thomas H. Jamieson, et al., "Refracting afocal systems in thermal imagers", Optical Engineering, vol. 19, No. 6, pp. 888-893, Dec. 1980.

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