Diffractive Sensor Elements for Registration of Long-Term Instability at Writing of Computer-Generated Holograms [PDF]
Sensors, 2021 The research and development of methods using of the specialized diffractive microstructure sensors embedded in the pattern of computer-generated holograms (CGH) manufactured on circular and X-Y laser writing systems is discussed.
Ruslan V. Shimansky +3 more
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Lensless Scheme for Measuring Laser Aberrations Based on Computer-Generated Holograms [PDF]
Sensors, 2020 All of the existing holographic wavefront sensors are either bulky or have low accuracy of measuring wavefront aberrations. In this paper, we present an improvement of the holographic method of measuring wavefront aberrations using computer-generated ...
George Krasin +4 more
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Fast Calculation of Computer Generated Holograms for 3D Photostimulation through Compressive-Sensing Gerchberg–Saxton Algorithm [PDF]
Methods and Protocols, 2018 The use of spatial light modulators to project computer generated holograms is a common strategy for optogenetic stimulation of multiple structures of interest within a three-dimensional volume.
Paolo Pozzi +6 more
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A Complementary Approach for Securing and Anti-Counterfeiting of Valuable Documents Based on Encryption of Computer-Generated Hologram [PDF]
SensorsWe present a novel approach for securing valuable documents using a complementary approach based on the encryption of computer-generated holograms (CGHs).
Zakaria E. Ahmed +6 more
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Generation of Multiple‐Depth 3D Computer‐Generated Holograms from 2D‐Image‐Datasets Trained CNN [PDF]
Advanced ScienceGenerating computer‐generated holograms (CGHs) for 3D scenes by learning‐based methods can reconstruct arbitrary 3D scenes with higher quality and faster speed. However, the homogenization and difficulty of obtaining 3D high‐resolution datasets seriously
Xingpeng Yan +10 more
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Holo-U2Net for High-Fidelity 3D Hologram Generation [PDF]
SensorsTraditional methods of hologram generation, such as point-, polygon-, and layer-based physical simulation approaches, suffer from substantial computational overhead and generate low-fidelity holograms.
Tian Yang, Zixiang Lu
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Multi frame holograms batched optimization for binary phase spatial light modulators [PDF]
Scientific ReportsPhase retrieval methods used in computer generated holograms such as Gerchberg-Saxton and gradient descent give results which are prone to noise and other defects.
Jinze Sha +4 more
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Evaluation of permissible pixel positioning errors for displaying computer-generated holograms in projection photolithography [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 The authors carried out the estimation of the permissible positioning errors when displaying reflective phase holograms intended for application in holographic photolithography on solid media using electron-beam lithography devices.
Sergey N. Koreshev +2 more
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Computer-Generated Holograms Application in Security Printing
Applied Sciences, 2022 In the present article the application of computer-generated holograms in security printing was considered. The main subject was creation of informative memory marks based on CGH for automatic read out of the information embedded in this marks that can ...
Evgenii Y. Zlokazov +3 more
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Nonlinear computer-generated holograms [PDF]
Optics Letters, 2011 We propose a novel technique for arbitrary wavefront shaping in quadratic nonlinear crystals by introducing the concept of computer-generated holograms (CGHs) into the nonlinear optical regime. We demonstrate the method experimentally showing a conversion of a fundamental Gaussian beam pump light into the first three Hermite-Gaussian beams at the ...
Asia, Shapira, Irit, Juwiler, Ady, Arie
openaire +2 more sources