Results 21 to 30 of about 82,877 (286)

Electromagnetic wave diffraction on a “strip grating – ferromagnetic half-space” composite structure: surface-wave resonances [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and Purpose. A theoretic study is given to the diffraction of a monochromatic plane E-polarized electromagnetic wave on a composite structure like a periodic strip grating bordering a half-space filled with a lossy homogeneous gyrotropic ...
A.V. Brovenko   +3 more
doaj   +1 more source

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

open access: yes, 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   +5 more
core   +3 more sources

Optimization of parameters of multilayer diffraction gratings using needle variations

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки, 2022
Background. The purpose of the work is to optimize the diffraction efficiency in the first diffraction order of a multilayer diffraction grating. Material and methods. Needle variations are used to optimize diffraction efficiency.
V.Yu. Martynova   +2 more
doaj   +1 more source

THE FREQUENCY TUNNING RANGE OF DIFFRACTION RADIATION OSCILLATOR WITH PERIODICAL STRUCTURE IN A DOUBLE GRATING FORM [PDF]

open access: yesРадиофизика и электроника, 2016
The diffraction radiation oscillator is one of the perspective sources for millimeter and T-wave, and it demands further improvement of its output characteristics.
I. O. Kovalov, V. S. Miroshnichenko
doaj   +1 more source

Compact, astigmatism corrected cross-grating spectrometer [PDF]

open access: yesEPJ Web of Conferences, 2020
Compact cross-grating spectrometers are inspired by classical high-end Echelle spectrometers and allow to acquire a large spectrum with a high spectral resolution in a single shot.
Kraus Matthias   +8 more
doaj   +1 more source

Diffractive Optics for Gravitational Wave Detectors [PDF]

open access: yes, 2006
All-reflective interferometry based on nano-structured diffraction gratings offers new possibilities for gravitational wave detection. We investigate an all-reflective Fabry-Perot interferometer concept in 2nd order Littrow mount.
A Bunkowski   +9 more
core   +4 more sources

Time-domain Brillouin scattering assisted by diffraction gratings [PDF]

open access: yes, 2017
Absorption of ultrashort laser pulses in a metallic grating deposited on a transparent sample launches coherent compression/dilatation acoustic pulses in directions of different orders of acoustic diffraction. Their propagation is detected by the delayed
Chaban, Ievgeniia   +4 more
core   +3 more sources

Design and fabrication of blazed gratings for a waveguide-type head mounted display [PDF]

open access: yes, 2020
In a waveguide-type display for augmented reality, the image is injected in the waveguide and extracted in front of the eye appearing superimposed on the real-world scene.
Cuypers, Dieter   +4 more
core   +1 more source

Mask pattern transferred transient grating technique for molecular-dynamics study in solutions [PDF]

open access: yes, 2004
We have developed a mask pattern transferred transient grating (MPT-TG) technique by using metal grating films. Transient thermal grating is generated by an ultraviolet light pattern transfer to nitrobenzene in 2-propanol solution, and the subsequent ...
Okamoto, Koichi   +3 more
core   +1 more source

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