Laser diode output power stabilization in a laser imagesetter

Details Laser diode output power stabilization in a laser imagesetter Laser diode output power stabilization in a laser imagesetter

1987-08-31

1989-02-07

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

358300, G01D 942

Patent

active

048034975

ABSTRACT:
A laser diode imagesetter having multiple resolution operating modes, includes means for stabilizing the optical output power from the semiconductor laser diode during the scan trace interval across a photosensitive material so as to maintain a high extinction ratio for the laser diode even when its driving current is changed to a different level in order to operate the imagesetter at a different resolution mode.

REFERENCES:
patent: 4197560 (1980-04-01), Minerd
patent: 4528580 (1985-07-01), Inoue et al.
patent: 4580044 (1986-04-01), Hongo et al.
patent: 4583128 (1986-04-01), Anderson, Jr. et al.
patent: 4642701 (1987-02-01), Maeda
patent: 4719474 (1988-01-01), Hansen

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