Digital holographic interferometer with correction of distortions

Nikolay Balbekin; Nikolay Petrov; Sergey Pul'kin; Alexander Sevruygin; Vladislav Shoev; Ibrohim Tursunov; Dmitrii Venediktov; Vladimir Venediktov

doi:10.1117/12.2326531

22 October 2018 Digital holographic interferometer with correction of distortions

Nikolay Balbekin, Nikolay Petrov, Sergey Pul'kin, Alexander Sevruygin, Vladislav Shoev, Ibrohim Tursunov, Dmitrii Venediktov, Vladimir Venediktov

Author Affiliations +

Proceedings Volume 10799, Emerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures; 107990A (2018) https://doi.org/10.1117/12.2326531
Event: SPIE Security + Defence, 2018, Berlin, Germany

Abstract

The article considers the use of holographic interferometer to overwrite the holograms for distortion correction. Each optical system contains some deviations of the beam path, called aberrations of the optical system. They are considered in the resulting interference figure as a distortion of the bands. While increasing the sensitivity of the interference pattern, new aberrations caused by re-registration of the installation in addition to the aberrations already presented on the interferogram caused by the initial record, also multiplied by N times, are introduced N times. In this experiment we decided to use a modified setup with spatially combined interferograms with use of reflective SLM (spatial light modulator) LETO and digital image handling of the interferograms recorded by CCD or CMOS camera.

Conference Presentation

Citation Download Citation

Nikolay Balbekin, Nikolay Petrov, Sergey Pul'kin, Alexander Sevruygin, Vladislav Shoev, Ibrohim Tursunov, Dmitrii Venediktov, and Vladimir Venediktov "Digital holographic interferometer with correction of distortions", Proc. SPIE 10799, Emerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures, 107990A (22 October 2018); https://doi.org/10.1117/12.2326531

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