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Proceedings Paper

Amplitude filters in shaping the point spread function of optical imaging systems
Author(s): M. Venkanna; D. Karuna Sagar
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Paper Abstract

We present our studies on apodization of pupils with various amplitude filters with respect to images of point objects. The central intensity distribution, first maxima and first minima are compared with and without apodisation. The effects of aberrations and aperture obscuration are also studied. It is shown that in certain cases, the aberrated images can be improved with the help of suitable amplitude filters.

Paper Details

Date Published: 15 June 2015
PDF: 5 pages
Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540A (15 June 2015); doi: 10.1117/12.2181610
Show Author Affiliations
M. Venkanna, BVRIT College of Engineering for Women, Hyderabad (India)
D. Karuna Sagar, Osmania Univ. (India)

Published in SPIE Proceedings Vol. 9654:
International Conference on Optics and Photonics 2015
Kallol Bhattacharya, Editor(s)

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