Results 1 to 10 of about 24,632 (161)

Using diffraction losses of X-rays in a single crystal for determination of its lattice parameters as well as for monochromator calibration [PDF]

open access: yesJournal of Synchrotron Radiation, 2022
A way has been developed to measure the unit-cell parameters of a single crystal just from an energy scan with X-rays, even when the exact energy of the X-rays is not well defined due to an error in the pitch angle of the monochromator.
Nataliya Klimova   +3 more
doaj   +4 more sources

Suppressing Diffraction-Related Intensity Losses in Transmissive Single-Crystal X-ray Optics

open access: yesCrystals, 2021
The highest-quality X-ray optics can be made of single-crystal materials such as silicon, germanium, or, even better, diamond. Unfortunately, such X-ray optics have one drawback: diffraction losses or the “glitch effect”.
Nataliya Klimova   +3 more
doaj   +3 more sources

Determination of the Exact Orientation of Single-Crystal X-ray Optics from Its Glitch Spectrum and Modeling of Glitches for an Arbitrary Configuration

open access: yesCrystals, 2021
X-ray optics made of single-crystal materials are widely used at most of the X-ray sources due to the outstanding properties. The main drawback of such optics—the diffraction losses, also known as glitches of intensity in the energy spectrum of the ...
Nataliya Klimova   +3 more
doaj   +1 more source

X-ray diffraction method application to assess the energy losses on explosive-rock contact under various blasting [PDF]

open access: yesE3S Web of Conferences, 2020
The dissipative energy losses of the explosion on the explosive-rock contact are usually evaluated with comparative analysis of the particle size distribution of finely dispersed fractions (0-100 microns).
Kratkovskyi Ihor   +3 more
doaj   +1 more source

Data-Driven Diffraction Loss Estimation for Future Intelligent Transportation Systems in 6G Networks

open access: yesMathematics, 2023
The advancement of 6G networks is driven by the need for customer-centric communication and network control, particularly in applications such as intelligent transport systems. These applications rely on outdoor communication in extremely high-frequency (
Sambit Pattanaik   +5 more
doaj   +1 more source

Measurement of Diffraction Loss in a Solid State Laser [PDF]

open access: yesApplied Optics, 1969
The measurement of oscillation losses in solid state lasers has long been used as a method of evaluating the quality of the laser material. Most of these active loss measurements provide a measure of the total cavity loss, from which other losses such as mirror reflectivity losses must be subtracted to give a figure for the internal loss of the laser ...
Arnold, D.H., Hanna, D.C.
openaire   +3 more sources

Acoustical routing based on diffraction inhibition in two-dimensional sonic crystal

open access: yesApplied Physics Express, 2023
Routing and guiding acoustic waves without diffraction broadening and backscattering losses is of great interest to the acoustic community. Here, we propose a diffraction-immune acoustical waveguide based on diffraction inhibition in 2D sonic crystals ...
Zhang Ting   +4 more
doaj   +1 more source

Wireless Signal Propagation Prediction Based on Computer Vision Sensing Technology for Forestry Security Monitoring

open access: yesSensors, 2021
In this paper, Computer Vision (CV) sensing technology based on Convolutional Neural Network (CNN) is introduced to process topographic maps for predicting wireless signal propagation models, which are applied in the field of forestry security monitoring.
Jialuan He   +6 more
doaj   +1 more source

Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals

open access: yesNature Communications, 2021
Charge trapping can lead to severe nonradiative losses in colloidal semiconductor nanocrystals (NCs). The authors report femtosecond electron diffraction measurements on photoexcited NCs to reveal atomic-scale insights into how localization of charges at
Burak Guzelturk   +28 more
doaj   +1 more source

Evaluating the applicability of a screen diffraction approximation to local volcano infrasound

open access: yesVolcanica, 2021
Atmospheric acoustic waves from volcanoes at infrasonic frequencies (0.01–20 Hz) can be used to estimate source parameters for hazard modeling, but signals are often distorted by wavefield interactions with topography, even at local recording distances (
Sean Maher   +4 more
doaj   +1 more source

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