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Proceedings Paper

Optical Lens System For Laser Beam Printer
Author(s): Setsuo Minami; Kazuo Minoura
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Paper Abstract

In the scanning optical system for laser beam printer, so-called f-0 lens is utilized to provide a scanning spot of constant velocity from deflected light beam having constant angular velocity. Then, f-8 lens is designed to have proper amount of residual distortion. One important point at the optical design of such kind of optical system is to find out the relationship between distortion and point spread function of the lens. In this report, the relationship is made clear by using aberration theory. With some designed examples it is shown that f-8 lens is suitable for scanning purpose, and that the lens makes us highly effective use of laser beam energy by reducing the deformation of point spread function with respect to the deflection angle of beam. As the example of application, the optical elements for semi-conductor laser scanning system are presented.

Paper Details

Date Published: 29 November 1979
PDF: 7 pages
Proc. SPIE 0193, Optical Systems in Engineering I, (29 November 1979); doi: 10.1117/12.957891
Show Author Affiliations
Setsuo Minami, Canon Inc. (Japan)
Kazuo Minoura, Canon Inc. (Japan)

Published in SPIE Proceedings Vol. 0193:
Optical Systems in Engineering I
Paul R. Yoder Jr., Editor(s)

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