Author:
Venkanna M., ,Sagar K.D.,
Abstract
In this paper, attempts have been made to study the joint effects of apodization and aperture masking on the diffraction images of coherently illuminated straight edge. The Edge-Ringing, Edge-Shift and Edge-Eradient of the edge images have been evaluated for different values of apo-dization using edge masking of circular apertures. We have considered rotationally symmetric, ab-errated coherent optical system. These investigations have lead to the use of certain pupil functions in conjunction with optimal apodizers to assess the quality of edge images. Any obstruction placed in the light path of an optical system prevents waves from a portion of the wavefront in reaching the focal zone. This results in the change in the light flux at every point of the diffraction pattern. This is in turn, depends on the shape and size of the obstruction.
Publisher
Samara National Research University
Subject
Electrical and Electronic Engineering,Computer Science Applications,Atomic and Molecular Physics, and Optics
Reference33 articles.
1. Hecht E, Zajac A. Optics. 2nd ed. Addison-Wesley, USA; 1978: 422, 496, 497, 512.
2. Wetherell wb. The calculation of image quality parameters. In Book: Shannon RR, Wyant JC, eds. Applied optics and optical engineering. Vol 8. Ch 6. New York: Academic press; 1980: 173-283.
3. Papoulis A. Maximum intensity of diffraction patterns and apodization. J Opt Soc Am 1967; 57(3): 362-366. DOI: 10.1364/JOSA.57.000362.
4. Papoulis A. Systems and transforms with applications in optics. McGraw-Hill Book Company; 1968: 442.
5. Rao KP, Mondal PK, Seshagiri Rao, T. Coherent imagery of straight edges with Straubel apodisation filters. Optik 1978; 50: 73-81.
Cited by
3 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献