ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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6
Issue
vol 60 / JUNE, 2017
Article
UDC 621.397.6:004.94

COMPARISON OF VARIOUS APPROXIMATIONS FOR DIFFUSION DISK OF NONABERRATIONAL LENS

E. V. Zaitceva
Tomsk State University of Control Systems and Radioelectronics, Department of Television and Control; Post-Graduate Student


Abstract. Various approximations for irradiance distribution across diffusion disk of non-aberrational lens are considered. Contrast in the image of two point sources at minimal resolved separation is calculated and accuracy of results for each of the approximations under examination is analyzed.
Keywords: lens, diffusion disk, radiance, contrast.