Laser and beam intensity modulation system for imagesetting devi

Details Laser and beam intensity modulation system for imagesetting devi Laser and beam intensity modulation system for imagesetting devi

1999-01-29

2000-04-18

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359307, 359305, 359310, 359239, 359287, 348769, G02F 111, G02F 133, G02B 2600

Patent

active

06052216&

ABSTRACT:
A laser beam intensity modulation system has a variable delay circuit that is used to control the relative delay in the delivery of a video signal between two cascaded AOM's. This delay circuit is controlled by a delay controller that monitors the intensity modulation of the laser beam to provide feedback control. This system maximizes the rise and fall times of the beam to generate precise beam modulation required for high speed image setters.

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patent: 5105304 (1992-04-01), Tanaka et al.
patent: 5623360 (1997-04-01), Gesell et al.

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