Computer-generated holograms for fiber optical communication with spatial-division multiplexing
Sign Up to like & getrecommendations! Published in 2017 at "Applied Optics"
DOI: 10.1364/ao.56.000a31
Abstract: We report here on applications of computer-generated holograms in fiber optical communication with mode-division multiplexing. It is shown that a pair of multichannel spatial filters matched to spatial modes provides a viable solution for transmission… read more here.
Keywords: generated holograms; holograms fiber; division multiplexing; optical communication ... See more keywords
Iterative pixelwise approach applied to computer-generated holograms and diffractive optical elements.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.00a189
Abstract: This paper presents a novel approach to optimizing the design of phase-only computer-generated holograms (CGH) for the creation of binary images in an optical Fourier transform system. Optimization begins by selecting an image pixel with… read more here.
Keywords: generated holograms; image; computer generated; approach ... See more keywords
Accelerated synthesis of wide-viewing angle polygon computer-generated holograms using the interocular affine similarity of three-dimensional scenes.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.016853
Abstract: The interocular affine similarity of three-dimensional scenes is investigated and a novel accelerated reconfiguration algorithm for intermediate-view polygon computer-generated holograms based on interocular affine similarity is proposed. We demonstrate by using the numerical simulations of… read more here.
Keywords: generated holograms; polygon computer; affine similarity; computer generated ... See more keywords
Direct calculation of computer-generated holograms in sparse bases.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.023124
Abstract: Computer-generated holography is computationally intensive, making it especially challenging for holographic displays where high-resolutions and video rates are needed. To this end, we propose a technique for directly calculating short-time Fourier transform coefficients without the… read more here.
Keywords: computer generated; generated holograms; computer; direct calculation ... See more keywords
Ultrafast farfield simulation of non-paraxial computer generated holograms.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.453731
Abstract: The simulation of large-area diffractive optical elements (DOEs) is challenging when non-paraxial propagation and coupling effects between neighboring structures shall be considered. We developed a novel method for the farfield simulation of DOEs, especially computer-generated… read more here.
Keywords: generated holograms; non paraxial; simulation; farfield simulation ... See more keywords
Design of computer-generated holograms based on semi-rigorous simulations of sub-wavelength structures.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.483312
Abstract: Conventional design methods for computer-generated holograms often rely on the scalar diffraction theory because the calculation effort of rigorous simulations is too high. But for sub-wavelength lateral feature sizes or large deflection angles, the performance… read more here.
Keywords: generated holograms; rigorous simulations; sub wavelength; computer generated ... See more keywords
HoloSR: deep learning-based super-resolution for real-time high-resolution computer-generated holograms.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.516564
Abstract: This study presents HoloSR, a novel deep learning-based super-resolution approach designed to produce high-resolution computer-generated holograms from low-resolution RGBD images, enabling the real-time production of realistic three-dimensional images. The HoloSR combines the enhanced deep super-resolution… read more here.
Keywords: generated holograms; computer generated; resolution; resolution computer ... See more keywords
Absolute testing of rotationally symmetric surfaces with computer-generated holograms.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.532975
Abstract: Extremely high accuracy is demanded for optics working at very short wavelength. Interferometric testing of optical aspheres or freeform surfaces requires null optics, typically computer-generated holograms (CGHs), to balance the wave aberrations. The measurement uncertainty… read more here.
Keywords: absolute testing; generated holograms; optics; computer generated ... See more keywords