Scanning optical system

Details Scanning optical system Scanning optical system

2006-09-12

2006-09-12

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S204200, C347S244000, C347S258000

Reexamination Certificate

active

07106484

ABSTRACT:
An scanning optical system includes a light source having a plurality of light emitting points each of which emits a beam, a first optical system that collimates the beams emitted by the light emitting points in regard to a main scanning direction while converging the beams in an auxiliary scanning direction, a deflecting system that dynamically deflects the beams simultaneously in the main scanning direction, and a second optical system that converges the deflected beams on the scan target surface. Further, the second optical system includes a magnification adjustment element whose magnification mS in the main scanning direction on an optical axis thereof is approximately +1 and whose magnification mP in the auxiliary scanning direction on the optical axis thereof is approximately −1.

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