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Proceedings Paper

Analysis of the amplitude on optical axis at the incidence of the conical wave on an astigmatic lens
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Paper Abstract

In this article we have considered the situation when a conical wave illuminates an astigmatic lens. Since the task to be solved is to estimate the degree of astigmatism, it is not necessary to determine the total amplitude distribution, it is sufficient to obtain an analytical expression for the field amplitude on the optical axis. On its basis, the boundaries of the shadow region, the number of zeros of intensity and their positions are calculated. The astigmatic coefficient was calculated based on the positions of zeros were found in numerical modeling. The obtained value is quite consistent with the given a priori, which proves the practical applicability of the proposed method.

Paper Details

Date Published: 24 June 2019
PDF: 9 pages
Proc. SPIE 11146, Optical Technologies for Telecommunications 2018, 111460H (24 June 2019); doi: 10.1117/12.2527241
Show Author Affiliations
A. V. Ustinov, Image Processing Systems Institute оf the RAS (Russian Federation)
S. N. Khonina, Image Processing Systems Institute оf the RAS (Russian Federation)

Published in SPIE Proceedings Vol. 11146:
Optical Technologies for Telecommunications 2018
Vladimir A. Andreev; Anton V. Bourdine; Vladimir A. Burdin; Oleg G. Morozov; Albert H. Sultanov, Editor(s)

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