Optical Lens System For Laser Beam Printer

Setsuo Minami; Kazuo Minoura

doi:10.1117/12.957891

29 November 1979 Optical Lens System For Laser Beam Printer

Setsuo Minami, Kazuo Minoura

Proceedings Volume 0193, Optical Systems in Engineering I; (1979) https://doi.org/10.1117/12.957891
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States

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.

Citation Download Citation

Setsuo Minami and Kazuo Minoura "Optical Lens System For Laser Beam Printer", Proc. SPIE 0193, Optical Systems in Engineering I, (29 November 1979); https://doi.org/10.1117/12.957891

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