Results 61 to 70 of about 79,181 (180)
Brillouin scattering in neopentane
Molecular Physics, 1977 Brillouin scattering experiments have been performed in the liquid phase of neopentane near the liquid-plastic crystal transition. The spectra are well represented by a sum of three lorentzians. No evidence was found for the possible existence of an additional central peak corresponding to a thermal relaxation mode.
Wergin, Alexander +2 more
openaire +2 more sources
Anharmonic phonon frequency shift in MgB2
, 2003 We compute the anharmonic shift of the phonon frequencies in MgB2, using density functional theory. We explicitly take into account the scattering between different phonon modes at different q-points in the Brillouin zone.
Calandra, Matteo +2 more
core +2 more sources
Quantum walk of a Bose-Einstein condensate in the Brillouin zone
, 2017 We propose a realistic scheme to implement discrete-time quantum walks in the Brillouin zone (i.e., in quasimomentum space) with a spinor Bose-Einstein condensate. Relying on a static optical lattice to suppress tunneling in real space, the condensate is
Alberti, Andrea, Wimberger, Sandro
core +1 more source
Ultranarrow-linewidth stimulated Brillouin scattering with fundamental acoustic waves
APL PhotonicsStimulated Brillouin scattering is a well-known nonlinear optical interaction valued for applications including narrow-linewidth lasers, phase conjugation, sensing, and RF-signal processing such as delay lines and filters.
Wendao Xu +5 more
doaj +1 more source
High-speed stimulated Brillouin scattering spectroscopy at 780 nm
APL Photonics, 2016 We demonstrate a high-speed stimulated Brillouin scattering (SBS) spectroscopy system that is able to acquire stimulated Brillouin gain point-spectra in water samples and Intralipid tissue phantoms over 2 GHz within 10 ms and 100 ms, respectively ...
Itay Remer, Alberto Bilenca
doaj +1 more source
The elastic stiffness tensor of cellulosic viscose fibers measured with Brillouin spectroscopy
JPhys PhotonicsBrillouin light scattering spectroscopy is applied to study the micromechanics of cellulosic viscose fibers, one of the commercially most important, man-made biobased fibers.
Caterina Czibula +5 more
doaj +1 more source
Brillouin cooling in a linear waveguide
New Journal of Physics, 2016 Brillouin scattering is not usually considered as a mechanism that can cause cooling of a material due to the thermodynamic dominance of Stokes scattering in most practical systems.
Yin-Chung Chen +2 more
doaj +1 more source
, 2011 The results of diffuse neutron scattering experiment on PbMg1/3Nb2/3O3 single crystal above the Burns temperature are reported. It is shown that the high temperature elastic diffuse component is highly anisotropic in low-symmetry Brillouin zones and this
A. I. Rudskoy +7 more
core +1 more source
A systematic study of Rayleigh-Brillouin scattering in air, N2 and O2 gases
, 2014 Spontaneous Rayleigh-Brillouin scattering experiments in air, N2 and O2 have been performed for a wide range of temperatures and pressures at a wavelength of 403 nm and at a 90 degrees scattering angle.
Wang-Chang C. S. +4 more
core +1 more source
Cascaded forward Brillouin scattering to all Stokes orders
New Journal of Physics, 2017 Inelastic scattering processes such as Brillouin scattering can often function in cascaded regimes and this is likely to occur in certain integrated opto-acoustic devices.
C Wolff +4 more
doaj +1 more source