Influence of the aberrations of Fourier-lens on the resolution of the digital optical processor

Valentin H. Kolobrodov; Grygorij S. Tymchyk; Mykyta S. Kolobrodov; Bogdan Y. Pinchuk; Zbigniew Omiotek; Daniyar Jarykbassov; Nurbapa Mekebayev

doi:10.1117/12.2522310

15 March 2019 Influence of the aberrations of Fourier-lens on the resolution of the digital optical processor

Valentin H. Kolobrodov, Grygorij S. Tymchyk, Mykyta S. Kolobrodov, Bogdan Y. Pinchuk, Zbigniew Omiotek, Daniyar Jarykbassov, Nurbapa Mekebayev

Author Affiliations +

Proceedings Volume 11045, Optical Fibers and Their Applications 2018; 110450U (2019) https://doi.org/10.1117/12.2522310
Event: 18th Conference on Optical Fibers and Their Applications, 2018, Naleczow, Poland

Abstract

In this article, we research the physic and mathematical model of a digital coherent optical spectrum analyzer, which made it possible to obtain an analytical expression for calculating the spatial spectral resolution of the spectrum analyzer depending on the parameters of the spatial light modulator, the Fourier lens, and the matrix detector. To determine the spatial resolution of the aberrational Fourier lens, it is proposed to use a criterion similar to the Rayleigh criterion. Obtained the formula for determining the dependence of the spectral resolution of the processor on the aberration parameter of the Fourier lens, the research of which showed that for small pixel sizes of the detectors the resolution is determined by the size of the modulator matrix, and for large pixels by the pixel size.

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Valentin H. Kolobrodov, Grygorij S. Tymchyk, Mykyta S. Kolobrodov, Bogdan Y. Pinchuk, Zbigniew Omiotek, Daniyar Jarykbassov, and Nurbapa Mekebayev "Influence of the aberrations of Fourier-lens on the resolution of the digital optical processor", Proc. SPIE 11045, Optical Fibers and Their Applications 2018, 110450U (15 March 2019); https://doi.org/10.1117/12.2522310

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