Development of the software GASO for analysis of beam profile on the laser-beam printer

Osamu Yamada; Katsuhiro Nanba

doi:10.1117/12.165202

29 December 1993 Development of the software GASO for analysis of beam profile on the laser-beam printer

Osamu Yamada, Katsuhiro Nanba

Proceedings Volume 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems; (1993) https://doi.org/10.1117/12.165202
Event: Electronic Imaging Device Engineering, 1993, Munich, Germany

Abstract

In the optical design of laser beam printers, it is very important to know the spread function of the beam across the photoconductors. With the usual method, however, we cannot determine the spread function directly, but rather we have to infer it from the optical aberration in the system and the shape of the beam assuming no aberrations. The fundamental method to simulate the point spread function has already been described. In it, the pupil function is defined assuming irregular illumination deviation of the wave front. Fraunhofer diffraction is then applied. A thorough investigation of the method has not yet been performed, however. We developed an algorithm based on the above method and created a program which determines the laser distribution over the photoconductors taking into consideration the influence of both optical aberrations and truncation by the optical pupil. Experimental values agree well with the calculated values, confirming the efficiency of the program. With this method and software, evaluation of the influence of the pupil and aberrations in the optical system on an elliptical Gaussian beam have become possible.

Citation Download Citation

Osamu Yamada and Katsuhiro Nanba "Development of the software GASO for analysis of beam profile on the laser-beam printer", Proc. SPIE 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems, (29 December 1993); https://doi.org/10.1117/12.165202

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KEYWORDS

Software development

Printing

Algorithm development

Far-field diffraction

Optical aberrations

Point spread functions

Ray tracing

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