Optical element, optical scanner and image forming apparatus

Details Optical element, optical scanner and image forming apparatus Optical element, optical scanner and image forming apparatus

2006-05-02

2006-05-02

Cherry, Euncha P. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

Reexamination Certificate

active

07038822

ABSTRACT:
An optical element can effectively correct misalignment of focused positions of optical spots and an optical spot pitch deviation with respect to image heights due to a refractive index distribution therein. The optical element includes a lens, which serves as an optical system in an optical scanner, is shaped in such a profile that misalignment of a focused position of the optical spot due to the refractive index distribution is corrected for image heights.

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