Dual beam double pass raster output scanner

Details Dual beam double pass raster output scanner Dual beam double pass raster output scanner

1998-12-21

2000-05-02

Spyrou, Cassandra

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359216, 359217, 359218, 347233, G02B 2608

Patent

active

060579536

ABSTRACT:
A dual infrared beam raster scanning system has overfilled facets on the rotating polygon mirror and a double pass through a two cylindrical lens element f-theta lens group. The raster scanning system has an aspheric collimator lens, an aperture and a four lens element cylindrical lens group in the pre-polygon optics, and a two cylindrical lens element f-theta lens group and a cylindrical mirror and a cylindrical wobble correction mirror in the post-polygon mirror optics.

REFERENCES:
patent: 5512949 (1996-04-01), Fisli et al.
patent: 5517330 (1996-05-01), Maeda
patent: 5550668 (1996-08-01), Appel et al.

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