29 September 2017 Holographic wavefront sensor, based on diffuse Fourier holography
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Abstract
Many areas of optical science and technology require fast and accurate measurement of the radiation wavefront shape. Today there are known a lot of wavefront sensor (WFS) techniques, and their number is growing up. The last years have brought a growing interest in several schematics of WFS, employing the holography principles and holographic optical elements (HOE). Some of these devices are just the improved versions of the standard and most popular Shack-Hartman WFS, while other are based on the intrinsic features of HOE. A holographic mode wavefront sensor is proposed, which makes it possible to measure up to several tens of wavefront modes. The increase in the number of measured modes is implemented using the conversion of a light wave entering the sensor into a wide diffuse light beam, which allows one to record a large number of holograms, each intended for measuring one of the modes.
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Alina Gorelaya, Alina Gorelaya, Vyacheslav Orlov, Vyacheslav Orlov, Vladimir Venediktov, Vladimir Venediktov, } "Holographic wavefront sensor, based on diffuse Fourier holography", Proc. SPIE 10425, Optics in Atmospheric Propagation and Adaptive Systems XX, 104250K (29 September 2017); doi: 10.1117/12.2278044; https://doi.org/10.1117/12.2278044
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