Results 11 to 20 of about 42,732 (290)

Diffraction in grating optical filters with angular-selective light transmission [PDF]

Компьютерная оптика, 2020
The effect of diffraction on the directional light transmittance of grating optical filters designed for smart windows is studied. The filter has an angular selective light transmission due to two thin-film gratings formed by "non-transmissive ...
R.S. Zakirullin
doaj   +1 more source

Complex method for angular-spectral analysis of volume phase diffraction gratings recorded in photopolymers [PDF]

Journal of the European Optical Society-Rapid Publications, 2016
Photopolymer recording materials are nowadays widely used for recording of diffraction gratings and other diffraction elements. For obtaining the best performance of these diffraction gratings for desired applications, it is important to assess these ...
Vojtís̃ek P., Květoň M., Richter I.
doaj   +1 more source

Piecewise Linear Weighted Iterative Algorithm for Beam Alignment in Scanning Beam Interference Lithography

Photonic Sensors, 2019
To obtain a good interference fringe contrast and high fidelity, an automated beam iterative alignment is achieved in scanning beam interference lithography (SBIL).
Ying Song, Bayanheshig, Shuo Li, Shan Jiang, Wei Wang   +4 more
doaj   +1 more source

Simulation of the spatial distribution of scattered light under illumination of a resonant diffraction grating with structured light

Компьютерная оптика, 2023
In this paper, a comparative theoretical analysis and numerical simulation of the operation of various types of diffraction gratings in the far field is carried out using a Fourier transform.
S.N. Khonina, Yu.V. Kapitonov
doaj   +1 more source

Comparison and analysis of wavelength calibration methods for prism – Grating imaging spectrometer

Results in Physics, 2019
To identify spectral information obtained from the prism - grating imaging spectrometer, it is essential to know the center wavelength for each spectral channel.
Ci Sun, Mingjia Wang, Jicheng Cui, Xuefeng Yao, Jianjun Chen   +4 more
doaj   +1 more source

Harmonically-related diffraction gratings-based interferometer for quadrature phase measurements [PDF]

, 2006
We demonstrate the use of shallow diffraction gratings for quadrature phase interferometry. A single shallow diffraction grating-based Michelson interferometer yields only trivial (0° or 180°) phase shift between different output ports.
Cui, Xiquan, Heng, Xin, Wu, Jigang, Yang, Changhuei, Yaqoob, Zahid   +4 more
core   +1 more source

A modified method for separating variables in the diffraction problem of TM-polarized wave on diffraction grating

Известия высших учебных заведений. Поволжский регион: Физико-математические науки, 2023
Background. The purpose of the work is to study the diffraction of a TM–polarized electromagnetic wave on diffraction gratings with several strokes on the period. Materials and methods.
Yuriy G. Smirnov
doaj   +1 more source

Holographic Recording of Unslanted Volume Transmission Gratings in Acrylamide/Propargyl Acrylate Hydrogel Layers: Towards Nucleic Acids Biosensing

Gels, 2023
The role of volume hydrogel holographic gratings as optical transducers in sensor devices for point-of-care applications is increasing due to their ability to be functionalized for achieving enhanced selectivity.
Paola Zezza, María Isabel Lucío, Izabela Naydenova, María-José Bañuls, Ángel Maquieira   +4 more
doaj   +1 more source

Volume diffraction gratings for optical telecommunications applications: design study for a spectral equalizer [PDF]

, 2004
The main characteristics required for a diffraction grating used for demultiplexing functions in spectral equalizing systems are investigated, both theoretically and experimentally.
Chevallier, Raymond, Heggarty, Kevin, Loukina, Tatiana, Massenot, Sébastien, Shigapova, N.M., Skochilov, A.F   +5 more
core   +3 more sources

Polarization insensitive blazed diffraction gratings [PDF]

Journal of the European Optical Society-Rapid Publications, 2006
Gratings insensitive to light polarization may be useful in many areas of optical engineering, particularly in light demultiplexing application. We study different kinds of binary gratings able to present reflected efficiencies higher than 98% in the ...
Bonod Nicolas, Popov Evgeny, Enoch Stefan, Néauport Jérôme   +3 more
doaj   +1 more source