Zobrazeno 1 - 10
of 14 593
pro vyhledávání: '"diffraction efficiency"'
Autor:
Sharifa B. Utamuradova, Zakirjan T. Azamatov, A.I. Popov, Mira R. Bekchanova, Murodjon A. Yuldoshev, Abror B. Bakhromov
Publikováno v:
East European Journal of Physics, Iss 3, Pp 278-281 (2024)
The results of a study of the optical, electrophotographic and holographic parameters of As-Se condensates from the prehistory of the original bulk materials are presented. It has been established that the electrophotographic parameters of freshly de
Externí odkaz:
https://doaj.org/article/ada99a90d6fb4ebe9d0a82b88246fe95
Autor:
Naoto Tsutsumi, Takafumi Sassa, Tam Van Nguyen, Sho Tsujimura, Giang Ngoc Ha, Yusuke Mizuno, Boaz Jessie Jackin, Kenji Kinashi, Wataru Sakai
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The photorefractive properties of triphenylamine polymer-based composites with various composition ratios were investigated via optical diffraction, response time, asymmetric energy transfer, and transient photocurrent. The composite consist
Externí odkaz:
https://doaj.org/article/36d6f6cb35554618b4c9710b3c0609ce
Akademický článek
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Autor:
V.P. Kiryanov, N.A. Gurin
Publikováno v:
Компьютерная оптика, Vol 47, Iss 2, Pp 235-245 (2023)
A brief review of methods for increasing the diffraction efficiency of optical elements synthesized by direct laser writing is done. It is noted that the previously proposed methods for recording the topology of similar elements using volumetric or s
Externí odkaz:
https://doaj.org/article/3ef317d247ca41d884b1842310edab08
Autor:
Sharifa B. Utamuradova, Zakirjan T. Azamatov, Murodjon A. Yuldoshev, Nurlan N. Bazarbayev, Abror B. Bakhromov
Publikováno v:
East European Journal of Physics, Iss 4 (2023)
The article is devoted to nonlinear effects in lithium niobate crystals. The possibility of using digital holographic interferograms obtained with the help of laser radiation of different duration at different moments of time for the reconstruction o
Externí odkaz:
https://doaj.org/article/12f1a97103244beea37c60dfad4bdfaf
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 6, Pp 1025-1030 (2022)
The formation of dynamic holograms in a photorefractive bismuth silicate crystal by nanosecond laser pulses with a change in the radiation wavelength is studied. An original scheme for recording holograms is proposed to preserve the grating period wh
Externí odkaz:
https://doaj.org/article/2f427770970a47b2afbed13e3fe790e7
Autor:
Danila Yu. Kharitonov, Damir M. Akhmetov, Eduard R. Muslimov, Aydar R. Gilfanov, Nadezhda K. Pavlycheva
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 6, Pp 1037-1047 (2022)
Optical designs of waveguide-type augmented reality displays are investigated. Displays based on volume phase holograms are notable for their small size, large exit pupil and high transmittance both in the projected image channel and in the direct
Externí odkaz:
https://doaj.org/article/eb74dc3648c44f079ed37d893c977fb6
Autor:
Ziyan Bai, Wenfeng Cai, Ming Cheng, Shun Lan, Delai Kong, Jian Shen, Mengjia Cen, Dan Luo, Yuan Chen, Yan Jun Liu
Publikováno v:
Photonics, Vol 11, Iss 4, p 320 (2024)
Photopolymers, especially acrylate-based ones with low cost and simple preparation, are promising materials for high-efficiency holographic gratings. However, it is still challenging to achieve high-performance gratings, due to the influences of many
Externí odkaz:
https://doaj.org/article/b7035f477ce1436c88265499b35476b2
Autor:
Lihua Lei, Lijie Liang, Liqin Liu, Yaoqiong Shen, Yuqing Guan, Yujie Zhang, Wenzhe Zou, Chuangwei Guo, Yunxia Fu
Publikováno v:
Photonics, Vol 11, Iss 3, p 233 (2024)
Measurement traceability is a prerequisite for achieving accurate and reliable results as well as technical standardization. The period of Chromium (Cr) gratings fabricated by atomic lithography can be directly traced back to natural constants. Apply
Externí odkaz:
https://doaj.org/article/2c9f5161a4cb452b92c7d038fee84fa2
Autor:
Tomás Lloret, Marta Morales-Vidal, Belén Nieto-Rodríguez, José Carlos García-Vázquez, Augusto Beléndez, Inmaculada Pascual
Publikováno v:
JPhys Energy, Vol 6, Iss 1, p 015017 (2024)
Low-toxicity solar concentrator systems represent an important challenge for outstanding photovoltaic (PV) applications. Particularly, multiplexed holographic lenses (MHL) as Holographic Solar Concentrators (HSC) provide insight into promising possib
Externí odkaz:
https://doaj.org/article/5aabd5324b8340fab37b8c816cc229e7