Results 21 to 30 of about 5,099,090 (216)
Applied Sciences, 2020 Axicon is an interesting optical element for its optical properties. This paper presents an approach to dynamically generated tunable axicons with a spatial light modulator (SLM).
Zhongsheng Zhai +3 more
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Image Addition by Computer Generated Multiplexed Holograms [PDF]
, 2005 A new approach to perform image addition via computer generated multiplexed holograms is described. The purpose of this work is to handle flat objects that are to be stored in a hologram.
Miramontes de León, Gerardo +2 more
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Infrared Computer-Generated Holograms: Design and Application for the WFIRST Grism Using Wavelength-Tuning Interferometry [PDF]
, 2018 Interferometers using computer-generated holograms (CGHs) have become the industry standard to accurately measure aspheric optics. The CGH is a diffractive optical element that can create a phase or amplitude distribution and can be manufactured with low
Kim, Dae Wook +6 more
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Approximated Wavefront Composition for Computer-Generated Holograms Based on Tiny Logic Operations
IEEE Access, 2023 Accelerating the calculation of computer-generated holograms (CGHs) is an urgent requirement for realizing practical electro-holography for three-dimensional (3D) displays.
Takashi Nishitsuji +3 more
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Computer-Generated Hologram Based on Reference Light Multiplexing for Holographic Display
Applied Sciences, 2021 In this article, we propose a reference light wave multiplexing scheme to increase the information capacity of computer-generated holograms. The holograms were generated by different reference light waves and superimposed together as a multiplexed ...
Dapu Pi, Juan Liu
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Computer Generated Holograms of 3D Points Cloud [PDF]
, 2018 Computer generated holography is a method of using numerical methods to simulate the physical processes underlying a real hologram’s optical recording and reconstruction i.e. the method of digitally generating holographic interference patterns.
Cviljušac, Vladimir +2 more
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Holographic colour prints for enhanced optical security by combined phase and amplitude control
Nature Communications, 2019 Here, the authors fabricate a device that integrates multiple computer-generated holograms into a single colour print. Under white light, a colour image is seen, whereas illumination with a red, green, or blue beam from a handheld laser pointer projects ...
Kevin T. P. Lim +3 more
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EFFECT OF OBJECT REPRESENTATION FORM ON DEPTH RESOLUTION OF RESTORED IMAGES OBTAINED BY SYNTHESIZED FRESNEL HOLOGRAMS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2019 Subject of the Research. The paper presents the study on the effect of object representation form on the depth resolution of images reconstructed via computer-generated Fresnel holograms-projectors. Method.
Sergey N. Koreshev, Marina A. Frolova
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Научно-технический вестник информационных технологий, механики и оптикиThe results of the research focused on the reference and object beam intensity ratio effect on the transmittance of computer-generated and analog holograms are presented.
S. N. Koreshev, S. O. Starovoitov
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Applied Sciences, 2022 A new optical encryption algorithm, called the random-phase encryption algorithm, is proposed in this study. When this algorithm was applied in constructing computer-generated holograms, the out-of-focus image crosstalk was effectively reduced, and the ...
Chih-Hao Chuang +4 more
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