Sectorized variable duty cycle f/1 diffractive transmission sphere for compensation of negative diffractive effects

Victor P. Korolkov; Ruslan K. Nasyrov; Andrey G. Sedukhin; Dmitry A. Belousov; Roman I. Kuts

doi:10.1117/12.2604810

9 October 2021 Sectorized variable duty cycle f/1 diffractive transmission sphere for compensation of negative diffractive effects

Victor P. Korolkov, Ruslan K. Nasyrov, Andrey G. Sedukhin, Dmitry A. Belousov, Roman I. Kuts

Author Affiliations +

Proceedings Volume 11895, Optical Design and Testing XI; 118951D (2021) https://doi.org/10.1117/12.2604810
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

Diffractive Transmission Sphere (DTS) can be successfully used for interferometric testing. Unfortunately, phenomena of annular rings occur on interferogram in a case of small period of diffractive patter. This effect reduces quality of measurements and became critical for apertures close to f/1. This work is devoted to computer simulation of such effects and development of technique for their partial compensation. It was proposed to do this compensation by modifying duty cycle. Computer simulation on the base of the rigorous coupled wave analysis was performed. Experimental DTS with was fabricated and tested.

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Victor P. Korolkov, Ruslan K. Nasyrov, Andrey G. Sedukhin, Dmitry A. Belousov, and Roman I. Kuts "Sectorized variable duty cycle f/1 diffractive transmission sphere for compensation of negative diffractive effects", Proc. SPIE 11895, Optical Design and Testing XI, 118951D (9 October 2021); https://doi.org/10.1117/12.2604810

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