Results 11 to 20 of about 7,097 (301)

Azimuthal multiplexing 3D diffractive optics. [PDF]

open access: yesSci Rep, 2020
Diffractive optics have increasingly caught the attention of the scientific community. Classical diffractive optics are 2D diffractive optical elements (DOEs) and computer-generated holograms (CGHs), which modulate optical waves on a solitary transverse
Wang H, Piestun R.
europepmc   +2 more sources

The advantages of metalenses over diffractive lenses

open access: yesNature Communications, 2020
Optical elements play a crucial role in many modern systems, from cellphones to missiles. The miniaturization trend poses a challenge to optics, since classical lenses and mirrors tend to be bulky.
Jacob Engelberg, Uriel Levy
doaj   +1 more source

Ensemble learning of diffractive optical networks

open access: yesLight: Science & Applications, 2021
Diffractive networks light the way for better optical image classification Scientists in USA have demonstrated significant improvements in the performance of diffractive optical networks, marking a major step forward for their use in optics-based ...
Md Sadman Sakib Rahman   +4 more
doaj   +1 more source

An anniversary of the journal “Computer optics”

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2013
We summarize the first twenty five years of scientific publishing “Computer Optics”, analyze its creating pre-conditions and history, and its development by the example of breakthrough articles on the diffractive optics, information optical technologies ...
Eduard I Kolomiets
doaj   +3 more sources

Double-sided fresnel zone plates as high performance optics in X-ray microscopy [PDF]

open access: yes, 2015
X-ray microscopy describes a range of analytical techniques, specialized for the characterization of organic and inorganic samples using high energy photons.
Mohácsi, István
core   +1 more source

Phase‐shifted metasurface design for pseudo‐nondiffractive beam deflection

open access: yesIET Microwaves, Antennas & Propagation, 2022
A transmission phase‐shifted metasurface (PSM) array has been proposed for non‐diffractive beam deflection. A PSM element consists of two identical semicircular rings and an I‐shaped structure, which is symmetrically printed on both sides of the F4B ...
Xiaoqing Yang   +5 more
doaj   +1 more source

Deep learning-based video stream reconstruction in mass-production diffractive optical systems [PDF]

open access: yesКомпьютерная оптика, 2021
Many recent studies have focused on developing image reconstruction algorithms in optical systems based on flat optics. These studies demonstrate the feasibility of applying a combination of flat optics and the reconstruction algorithms in real vision ...
V. Evdokimova   +12 more
doaj   +1 more source

Hexagonal diffractive optical elements

open access: yesOptics Express, 2023
Diffractive optical elements (DOEs) have widespread applications in optics, ranging from point spread function engineering to holographic display. Conventionally, DOE design relies on Cartesian simulation grids, resulting in square features in the final design.
Yidan Zheng   +5 more
openaire   +3 more sources

Creation of One- and Two-Dimensional Copper and Zinc Oxides Semiconductor Structures

open access: yesApplied Sciences, 2023
The most effective methods for the synthesis of nanostructured copper and zinc oxides, which have unique properties and potential applications in a variety of fields including electronics, photonics, sensorics, and energy conversion, are analyzed ...
Serguei P. Murzin, Nikolay L. Kazanskiy
doaj   +1 more source

Fabrication and optical characterization of large aperture diffractive lenses using greyscale lithography

open access: yesMicro and Nano Engineering, 2022
Diffractive lenses can replicate the optical functions of their refractive counterparts using an equivalent surface relief phase profile, enabling more compact optical assemblies and microsystem integration.
Diogo E. Aguiam   +7 more
doaj   +1 more source

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