SEARCH AUTOMATION OF BINARIZATION OPTIMUM LEVEL FOR SYNTHESIZED HOLOGRAMS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2017 The paper considers the features of synthesized holograms suitable for practical use. It is established that binary holograms are the first of all suitable ones for successful application in practice.
Oleg V. Nikanorov, Denis S. Smorodinov
doaj +3 more sources
Full‐Polarimetric Synthesized Holographic Displaying Empowered by Chirality‐Assisted Metasurface [PDF]
Small ScienceMetasurface‐based holography provides tremendous advances in multi‐dimensional detection, super‐resolution imaging, and cryptography applications. Current mainstream researches on holographic metasurface are primarily focused on exploring degrees of ...
Yueyi Yuan +8 more
doaj +2 more sources
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
doaj +1 more source
Influence of a synthesis method of hologram projectors and phase distribution in the object plane on the quality of the reconstructed image [PDF]
Компьютерная оптика, 2020 The paper presents results of research into the influence of the hologram synthesis method, as well as the phase distribution in the object plane used to describe the object wave, on the quality of the reconstructed image. Using numerical experiments, we
Sergey Koreshev +2 more
doaj +1 more source
Expansion of Image Space in Enhanced-NA Fresnel Holographic Display
Applied Sciences, 2022 The enhanced-NA Fresnel hologram reconstructs a holographic image at a viewing angle larger than the diffraction angle of a hologram pixel. The image space is limited by the bandwidth of a digital hologram.
Byung Gyu Chae
doaj +1 more source
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
doaj +1 more source
OBJECT STRUCTURE EFFECT ON OPTIMAL LEVELS OF HOLOGRAM BINA-RIZATION IN TERMS OF RECONSTRUCTED IMAGE QUALITY [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2018 Subject of Research. The paper presents research results on object structure effect, that is the type and size of its elements, on optimal level of computer generated Fresnel holograms binarization in terms of reconstructed image quality. Method.
S. N. Koreshev, S. O. Starovoitov
doaj +1 more source
Компьютерная оптика, 2022 The manuscript presents experimental results on the recording and restoration of 3D holographic frames suitable for transmitting 3D holographic images with the frame rate required for TV images and the resolution of the Full HD standard and higher.
S.A. Shoydin +3 more
doaj +1 more source
Distribution of the complex amplitude and intensity in a 3D scattering pattern formed by the optical system for an on-axis point object [PDF]
Компьютерная оптика, 2018 A quantitative evaluation of the depth of field of optical systems is given. Results of the calculation of the distribution of the complex amplitude and intensity in a three-dimensional scattering pattern formed by the optical system for an on-axis point
Sergey Koreshev +3 more
doaj +1 more source
Synthesis of holograms received by a communication channel [PDF]
Компьютерная оптика, 2020 A method for the synthesis of holograms that reconstruct a 3D image using two 2D images, including a topographic map of the surface of a 3D object and photographs of the texture of its surface obtained using coherent and incoherent radiation is proposed.
S.A. Shoydin
doaj +1 more source