Results 21 to 30 of about 1,326,537 (310)

Dual self-accelerating properties of one-dimensional finite energy Pearcey beam

open access: yesResults in Physics, 2019
Based on potential-free linear Schrödinger equation, we investigate the dynamics of one-dimensional finite energy Pearcey beam in free space. The result shows that the Pearcey beam evolves in the form of two-dimensional Pearcey function and exhibits a ...
Feng Zang, Yan Wang, Lu Li
doaj   +1 more source

Dual-Polarized Multi-Beam Fixed-Frequency Beam Scanning Leaky-Wave Antenna

open access: yesSensors, 2023
A fixed-frequency beam-scanning leaky-wave antenna (LWA) array with three switchable dual-polarized beams is proposed and experimentally demonstrated. The proposed LWA array consists of three groups of spoof surface plasmon polaritons (SPPs) LWAs with ...
Dapeng Chu   +4 more
doaj   +1 more source

Dual-wavelength vortex beam with high stability in diode-pumped Yb:CaGdAlO4 Laser [PDF]

open access: yes, 2018
We present a stable dual-wavelength vortex beam carrying orbital angular momentum (OAM) with two spectral peaks separated by a few terahertz in diode-pumped Yb:CaGdAlO4 (CALGO) laser.
Yuan Meng (173434)   +3 more
core   +1 more source

Thermal analysis of film photovoltaic cell subjected to dual laser beam irradiation [PDF]

open access: yes, 2015
The concept of dual laser beam irradiation was firstly demonstrated on the photovoltaic cell, of which the temperature dependent efficiency was investigated for wireless power transmission.
Wu CW(吴臣武)   +2 more
core   +1 more source

Enabling broadband efficient beam splitting based on ultra-thin reflecting metasurfaces

open access: yesResults in Physics, 2023
In this paper, we present a scheme for achieving broadband efficient beam splitting based on homogeneous ultra-thin metasurfaces, which is composed of an ultrathin dielectric spacer sandwiched between periodic arrays of identical rectangular metal ...
Jing Li   +5 more
doaj   +1 more source

Chiral particles in the dual-beam optical trap [PDF]

open access: yesOptics Express, 2016
We investigate the dynamics of chiral microparticles in a dual-beam optical trap. The chiral particles have the structure of spherical chiral microresonators, with a reflectance deriving from the supramolecular helicoidal arrangement. Due to the strong asymmetric response of the particles to light with a specific helicity and wavelength, their trapping
Brzobohatý O   +5 more
openaire   +3 more sources

Dual-stage Codebook Based on Partial Kronecker Product in Massive MIMO System [PDF]

open access: yesJisuanji gongcheng, 2017
Aiming at the problem that the additional degrees of freedom in the vertical dimension cannot be fully utilized,a partial Kronecker product based dual-stage codebook is proposed.In the dual-stage codebook,the first stage determines a beam group and ...
LI Tian,SUN Shaohui,LI Hui
doaj   +1 more source

Optical trapping with superfocused high-M2 laser diode beam [PDF]

open access: yes, 2015
Many applications of high-power laser diodes demand tight focusing. This is often not possible due to the multimode nature of semiconductor laser radiation possessing beam propagation parameter M2 values in double-digits.
Kuchinskii, V. I.   +36 more
core   +1 more source

Replication Data for: Superstition, Fertility, and Inter-ethnic Spillovers: Evidence from Peninsular Malaysia [PDF]

open access: yes
Replication files for "Superstition, Fertility, and Inter-ethnic Spillovers: Evidence from Peninsular Malaysia," by Emily A.
Beam, Emily, Shrestha, Slesh A.
core   +3 more sources

Fraunhofer diffraction of Laguerre-Gaussian beam caused by a dynamic superposed dual-triangular aperture [PDF]

open access: yes, 2015
We investigate the Fraunhofer diffraction of a Laguerre-Gaussian (LG) beam incident on a dynamic superposed dual-triangular aperture. The evolution of the diffraction pattern from this aperture is analyzed experimentally and theoretically.
Tai, Yuping   +8 more
core   +1 more source

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