Results 91 to 100 of about 659,787 (244)

Effect of incoherent scattering on shot noise correlations in the quantum Hall regime

open access: yes, 2000
We investigate the effect of incoherent scattering in a Hanbury Brown and Twiss situation with electrons in edge states of a three-terminal conductor submitted to a strong perpendicular magnetic field.
Buttiker, Markus, Texier, Christophe
core   +1 more source

Bio‐Derived Nanophotonic Hybrids Enabling Reconfigurable Upconversion for Multilevel Optical Encryption

open access: yesLaser &Photonics Reviews, EarlyView.
A dual‐gated nanophotonic platform integrates lanthanide‐doped upconversion nanoparticles with a stimuli‐responsive silk–zirconia photonic crystal to enable multilevel optical encryption. Resonant photonic coupling allows hydration‐dependent modulation of visible emission under near‐infrared excitation, achieving reversible switching between decoy and ...
Taehoon Kim   +3 more
wiley   +1 more source

A Novel Multiband Fusion Method Considering Scattering Characteristic Fluctuation Between Sub-Bands

open access: yesSensors
Multiband fusion (MF) technology can generate an ultra-wideband echo (UWBE) from multiple sub-band echoes (SBEs), thereby improving radar range resolution and enhancing target recognition capabilities. However, current MF methods generally do not account
Peng Li, Ling Luo, Denghui Huang
doaj   +1 more source

Thermal conductivity and air-mediated losses in periodic porous silicon membranes at high temperatures

open access: yesNature Communications, 2017
Nanostructuring of silicon allows acoustic phonon engineering, but the mechanism of related thermal transport in these structures is not fully understood.
B. Graczykowski   +10 more
doaj   +1 more source

Nuclear Spin Incoherent Neutron Scattering from Quantum Well Resonators

open access: yes, 2019
We report the detection and quantification of nuclear spin incoherent scattering from hydrogen occupying interstitial sites in a thin film of vanadium. The neutron wave field is enhanced in a quantum resonator with magnetically switchable boundaries. Our
Devishvili, Anton,   +9 more
core   +1 more source

Side‐DBR Guided Exciton‐Polariton Lasing With Near‐Field Mode Imaging in an InGaN Thin‐Film Ridge Waveguide

open access: yesLaser &Photonics Reviews, EarlyView.
Room‐temperature lower‐polariton‐like lasing is realized in an InGaN/GaN thin‐film ridge cavity with lateral distributed Bragg reflectors. Near‐field optical microscopy distinguishes the transverse side‐DBR‐confined mode from a longitudinal photon‐like mode, while simulations reproduce their spatial profiles.
Wai Yuen Fu   +2 more
wiley   +1 more source

Dynamical properties of oriented lipid membranes studied by elastic incoherent neutron scattering

open access: yes, 2004
We have studied the H-bonded dynamics in highly oriented lamellar DOTAP-DOPC model membranes as a function of the DOPC/(DOPC + DOTAP) ratio Φ, by elastic incoherent neutron scattering in the 100 ps time domain on the spectrometer IN13 at ILL.
Carlo Castellano   +4 more
core   +1 more source

From Planar to 3D Nanophotonic Lenses: Advancing Design, Fabrication, and Applications

open access: yesLaser &Photonics Reviews, EarlyView.
Three‐dimensional nanophotonic lenses are enabled by an integrated workflow that links design parameterization, full‐wave electromagnetic simulation, computational optimization, and freeform fabrication. This Review summarizes how these tools expand optical design freedom beyond a single patterned plane by enriching the local meta‐atom response and ...
Wei Zhu   +2 more
wiley   +1 more source

Coherent and Incoherent Neutral Current Scattering for Supernova Detection

open access: yesAdvances in High Energy Physics, 2012
The total cross sections as well as the neutrino event rates are calculated in the neutral current neutrino scattering off 40Ar and 132Xe isotopes at neutrino energies ...
P. C. Divari
doaj   +1 more source

Incoherent Thomson scattering

open access: yes, 1996
Thomson scattering is a very powerful diagnostic which is applied at nearly every magnetic confinement device. Depending on the experimental conditions different plasma parameters can be diagnosed.
Donne, A. J. H.
core  

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