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13 October 2015 Digital holographic interferometer with correction of distortions
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Abstract
The paper considers the use of holographic interferometer for hologram re-recording with correction of distortions. Each optical system contains some beam path deviations, called aberrations of the optical system. They are seen in the resulting interference pattern as a distortion of fringes. While increasing the sensitivity of the interference pattern by N times at the same time we introduce new aberrations, caused by re-recording setup in addition to aberrations that are already presented on the interferogram, caused by initial recording, also multiplied by N times. In this experiment we decided to use a modified setup with spatially combined interferograms with use of matrix spatial light modulator and digital image processing of the interferograms recorded by CCD or CMOS camera.
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A. A. Sevryugin, S. A. Pulkin, I. M. Tursunov, D. V. Venediktov, and V. Yu. Venediktov "Digital holographic interferometer with correction of distortions", Proc. SPIE 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 96480E (13 October 2015); https://doi.org/10.1117/12.2194337
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