Recording optical system

Details Recording optical system Recording optical system

1990-08-16

1991-07-16

Arnold, Bruce Y.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350 61, 350 371, 250566, 356376, 382 1, G02B 2610

Patent

active

050319787

ABSTRACT:
A recording optical system includes a semiconductor laser for emitting a light beam and a shutter device for changing the spot size of the light beam. The shutter device has a shutter array in which a plurality of shutter elements are arranged in a line, each of the shutter elements being controlled so as to be opened and shut in accordance with a gradational image. The recording optical system also has a deflection optical system for deflecting the light beam which passes through the shutter device and an image formation optical system for focusing the light beam which is deflected by the deflection optical system on a recording medium, so that the light beam scans the recording medium to form the image.

REFERENCES:
patent: 4217852 (1987-12-01), Funato et al.
patent: 4294544 (1981-10-01), Altschuler et al.
patent: 4301374 (1981-11-01), Hashiue
Ueno, K. et al., "PLZT spatial light modulator for a 1-D hologram memory" (Applied Optics/vol. 19, No. 1/Jan. 1, 1990, pp. 164-172).

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