Results 1 to 10 of about 15,570 (137)
Polarization-controlled nonlinear computer-generated holography [PDF]
Scientific Reports, 2023 Dynamic phase-only beam shaping with a liquid crystal spatial light modulator is a powerful technique for tailoring the intensity profile or wave front of a beam.
Lisa Ackermann +5 more
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Computer generated holography with intensity-graded patterns [PDF]
Frontiers in Cellular Neuroscience, 2016 Computer Generated Holography achieves patterned illumination at the sample plane through phase modulation of the laser beam at the objective back aperture. This is obtained by using liquid crystal-based spatial light modulators (LC-SLMs), which modulate
Rossella Conti +4 more
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On the use of deep learning for computer-generated holography [PDF]
iScienceSummary: The research disciplines of computer-generated holography (CGH) and machine learning have evolved in parallel for decades and experienced booming growth due to breakthroughs in mathematical optimization and computing hardware.
Xuan Yu +10 more
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Non-convex optimization for inverse problem solving in computer-generated holography [PDF]
Light: Science & ApplicationsComputer-generated holography is a promising technique that modulates user-defined wavefronts with digital holograms. Computing appropriate holograms with faithful reconstructions is not only a problem closely related to the fundamental basis of ...
Xiaomeng Sui +3 more
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Propagation-adaptive 4K computer-generated holography using physics-constrained spatial and Fourier neural operator [PDF]
Nature CommunicationsComputer-generated holography (CGH) offers a promising method to create true-to-life reconstructions of objects. While recent advances in deep learning-based CGH algorithms have significantly improved the tradeoff between algorithm runtime and image ...
Ninghe Liu +4 more
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Spin and wavelength multiplexed nonlinear metasurface holography
Nature Communications, 2016 Metasurfaces offer an approach for computer generated holograms with good efficiency and ease of fabrication. Here, Ye et al.report on spin and wavelength multiplexed nonlinear metasurface holography, showing construction of holographic images using ...
Franziska Zeuner, Shan He, Juan Liu
exaly +2 more sources
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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Bandwidth Control in Computer- Generated Holography
IEEE Photonics Journal, 2023 The Fourier transform between the time and frequency signals of light enables highly efficient band usage in optical communications. Analogously, the Fourier transform between the wavefield and wavevector distributions in the optical spatial diffraction ...
Mian Wu +6 more
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Fast Low-Precision Computer-Generated Holography on GPU
Applied Sciences, 2021 Computer-generated holography (CGH) is a notoriously difficult computation problem, simulating numerical diffraction, where every scene point can affect every hologram pixel.
David Blinder, Peter Schelkens
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