Optical beam modulating device

Details Optical beam modulating device Optical beam modulating device

1988-12-16

1992-06-16

LaRoche, Eugene R.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359285, G02F 111, G02F 133

Patent

active

051228971

ABSTRACT:
An optical beam modulating device used for recording halftone plate duplicate images on a recording material including two multi-channel optical beam modulators, each including a rectangular parallelepiped modulator crystal which has a prescribed number of acoustic electrodes installed on one side surface. The electrodes are installed at equal pitch intervals so that Gauss beams can be directed across the electrodes separately from each other, and the positions at which the electrodes of one modulator are installed are shifted by one-half pitch with respect to the positions at which the acoustic electrodes of the other modulator are installed.

REFERENCES:
patent: 3512871 (1970-05-01), Zweig
patent: 3731231 (1973-05-01), Torguet
patent: 4449212 (1984-05-01), Reno
patent: 4541712 (1985-09-01), Whitney
patent: 4692016 (1987-09-01), Genequand
patent: 4696551 (1987-09-01), Amano
patent: 4960320 (1990-10-01), Taniura

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