Results 11 to 20 of about 11,755 (309)

Direct and Inverse Elastic Scattering Problems for Diffraction Gratings [PDF]

, 2021
This chapter is concerned with the direct and inverse scattering of time-harmonic plane elastic waves by unbounded periodic structures (diffraction gratings).
Elschner, Johannes, Hu, Guanghui
core   +1 more source

Haze and light diffraction of dielectric line-gratings [PDF]

, 2023
The optical characterization of dielectric periodic line-gratings for which the period of the grating is significantly larger than the probing wavelength is investigated experimentally, numerically, and analytically.
Colette Turbil (14357841), Jean-Philippe Banon (8726616), Ingve Simonsen (1826485), Iryna Gozhyk (9755194)   +3 more
core   +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

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.
Shigapova, N.M., Massenot, S, Shigapova, N,, Heggarty, Kevin, Skochilov, A.F, Loukina, Tatiana, Chevallier, Raymond, Skochilov, A, F, Skochilov, A,, Loukina, T, Chevallier, R, Shigapova, N, M, Massenot, Sébastien   +12 more
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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

Mid-infrared volume phase gratings manufactured using ultrafast laser inscription [PDF]

, 2013
We report on the ultrafast laser inscription (ULI) of volume phase gratings inside gallium lanthanum sulphide (GLS) chalcogenide glass substrates. The effect of laser pulse energy and grating thickness on the dispersive properties of the gratings is ...
Thomson, Robert R, Lee, David, MacLachlan, David Guillaume, Cunningham, Colin R   +3 more
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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

Multiplexed holographic transmission gratings recorded in holographic polymer-dispersed liquid crystals: static and dynamic studies [PDF]

, 2005
The optimization of the experimental parameters of two multiplexed holographic transmission gratings recorded in holographic polymer-dispersed liquid crystals is investigated.
Camacho, Maria, Kaiser, Jean-Luc, Bougrenet de la Tocnaye, Jean-Louis de, Massenot, Sébastien, Chevallier, Raymond   +4 more
core   +1 more source