Articles with "bragg scattering" as a keyword



Bragg scattering of nonlinear surface waves by sinusoidal sandbars

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Published in 2024 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2023.1005

Abstract: Abstract Based on the multiple-scale expansion technique, a new set of extended nonlinear Schrödinger (ENLS) equations up to the third order is derived to account for the additional high-order bottom and dispersion effects as well… read more here.

Keywords: bragg scattering; effect; nonlinear wave; sandbar ... See more keywords

Novel Copper Superparticle-Based Bragg Scattering Coupling Luminescence Strategy for Detection of Ginseng Exosomal miRNA.

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Published in 2025 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.5c03381

Abstract: Ginseng exosomes are a kind of promising extracellular vesicle containing unique bioactive components. However, the investigation on ginseng-derived exosomes is still in the initial stage. This study developed a photonic crystal-based Bragg scattering coupling electrochemiluminescence… read more here.

Keywords: detection; ecl; bragg scattering; based bragg ... See more keywords

An optical Bragg scattering readout for simultaneous detection of all low-order mechanical modes of gallium nitride nanowires in nanowire arrays.

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Published in 2018 at "Applied physics letters"

DOI: 10.1063/1.5043211

Abstract: We report the use of optical Bragg scattering and homodyne interferometry to simultaneously measure all the first order cantilever-mode mechanical resonance frequencies and quality factors (Q) of gallium nitride nanowires (GaN NWs) in 100 NW… read more here.

Keywords: optical bragg; bragg scattering; order; gallium nitride ... See more keywords

Raman effects in quantum frequency conversion using Bragg scattering

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Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.110.033508

Abstract: We present a quantum-mechanical model that describes fiber-based frequency conversion by four-wave-mixing Bragg scattering in the presence of Raman interactions. In the case of continuous-wave pumps we find closed-form expressions for the conversion efficiency and… read more here.

Keywords: bragg scattering; conversion; raman effects; effects quantum ... See more keywords

Second-Order Bragg Scattering Theory for Time-Evolving Nonlinear Sea Surfaces

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Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2023.3262263

Abstract: A facet-based second-order Bragg scattering theory for nonlinear sea surface scattering is proposed in this letter. The discretized sea surface is a composition of facets with appropriate size, which is large enough in comparison with… read more here.

Keywords: bragg; second order; sea; bragg scattering ... See more keywords

Bragg scattering from a millimeter-scale periodic structure with extremely small aspect ratios.

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Published in 2019 at "Optics express"

DOI: 10.1364/oe.27.021677

Abstract: The periodic structure on the optical surface affects the beam shape and its propagation. As the size of the optical elements becomes larger and its shape becomes complicated, the quantitative analysis of the effect of… read more here.

Keywords: extremely small; small aspect; aspect ratios; periodic structure ... See more keywords

Bragg scattering of stochastic beams in PT-symmetric photonic lattices.

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Published in 2024 at "Optics letters"

DOI: 10.1364/ol.512326

Abstract: The propagation of a Gaussian-Schell beam through a PT-symmetric optical lattice, whose index of refraction is represented by a sinusoidal type of function, is theoretically investigated. Within the framework of standard coherence theory, one is… read more here.

Keywords: stochastic beams; beams symmetric; scattering stochastic; bragg scattering ... See more keywords

Crystal-Site-Selective Spectrum of Fe3BO6 by Synchrotron Mössbauer Diffraction with Pure Nuclear Bragg Scattering

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Published in 2017 at "Journal of the Physical Society of Japan"

DOI: 10.7566/jpsj.86.084701

Abstract: We have succeeded in obtaining the crystal-site-selective spectra of the collinear antiferromagnet Fe3BO6 using a synchrotron Mossbauer diffractometer with pure nuclear Bragg scattering at SPring-8... read more here.

Keywords: bragg scattering; site selective; pure nuclear; nuclear bragg ... See more keywords