Raster output scanner (ROS) using an overfilled polygon design w

Details Raster output scanner (ROS) using an overfilled polygon design w Raster output scanner (ROS) using an overfilled polygon design w

1993-10-14

1995-01-10

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359217, 359218, 250236, G02B 2608

Patent

active

053812590

ABSTRACT:
In an overfilled ROS polygon system, the total optical path length is minimized by focusing modulated laser beams onto the polygon facets in the cross scan direction by placing a single cylindrical lens between the laser diode and a collimator lens. The combined cross scan power of the cylinder lens and the collimator lens provides the cross scan focusing at the required high magnification.

REFERENCES:
patent: 3944323 (1976-03-01), Starkweather
patent: 4941721 (1990-07-01), Banton et al.
patent: 4978184 (1990-12-01), Straayer
patent: 5052767 (1991-10-01), Sugata et al.
patent: 5270849 (1993-12-01), Bock et al.

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