搜索结果: 1-12 共查到“光学工程 electromagnetic”相关记录12条 . 查询时间(0.193 秒)
Ultrahigh-contrast and large-bandwidth thermal rectification in near-field electromagnetic thermal transfer between nanoparticles
Ultrahigh-contrast large-bandwidth thermal electromagnetic thermal transfer between nanoparticles
2015/8/7
We exploit the unique properties of optical waves in nanophotonic structures to enhance the capabilities for active control of electromagnetic thermal transfer at nanoscale. We show that the near-@...
S4:A free electromagnetic solver for layered periodic structures
Computational electromagnetics Maxwell solver Fourier modal method
2015/8/7
We describe S4, a free implementation of the Fourier modal method (FMM), which has also been commonly referred to as rigorous coupled wave analysis (RCWA), for simulating electromagnetic propagation t...
Transverse Electromagnetic Modes in Aperture Waveguides Containing a Metamaterial with Extreme Anisotropy
Transverse Electromagnetic Modes Aperture Waveguides Containing Metamaterial Extreme Anisotropy
2015/8/10
We use metamaterials with extreme anisotropy to solve the fundamental problem of light transport in deep subwavelength apertures. By filling a simply connected aperture with an anisotropic mediu...
Numerically exact calculation of electromagnetic heat transfer between a dielectric sphere and plate
Numerically exact calculation electromagnetic heat transfer between dielectric sphere plate
2015/8/10
We present a numerically exact calculation of electromagnetic heat transfer between a dielectric sphere and plate. We compare the calculation to a recent experiment. Our calculations unify various app...
Transmission Through a Scalar Wave Three-Dimensional Electromagnetic Metamaterial and the Implication for Polarization Control
Metamaterial Scalar Wave Polarization Control
2015/8/10
An interweaving-conductor metamaterial (ICM) is a metamaterial composed of multiple, interlocking,conducting networks. It exhibits unusual optical properties in the low-frequency linear-dispersion reg...
Propagation of electromagnetic waves in weakly anisotropic media:Theory and applications
quasi-isotropic approximation polarization
2011/5/9
Quasi-isotropic approximation (QIA) of geometrical optics is outlined, which describes properties
of electromagnetic waves in weakly anisotropic media, including weakly anisotropic fibers, liquid
cr...
Spectral and polarization properties of stochastic electromagnetic beams propagating in gain or absorbing media
Spectral polarization properties stochastic electromagnetic beams propagating in gain absorbing media
2013/7/2
Based on the generalized Huygens–Fresnel diffraction principle and on the unified theory of coherence and polarization of light, the analytical expressions for the cross-spectral density matrix of a c...
Degrees of cross-polarization of a partially coherent electromagnetic beam in uniaxial crystals
cross-polarization uniaxial crystal correlation length refractive index
2011/5/6
Propagation of degrees of cross-polarization of a partially coherent electromagnetic beam in
uniaxial crystals orthogonal to the optical axis is investigated. Based on the paraxial theory of
beams, ...
Spatial coherence of the thermal electromagnetic field in the vicinity of a dielectric slab
Spatial coherence thermal electromagnetic vicinity dielectric slab
2015/8/11
We present the analytic calculation of the cross-spectral density tensor of a thermally radiative planar dielectric slab in extreme near-field, intermediate near-field, and far-field...
Spatial coherence of the thermal electromagnetic field in the vicinity of a dielectric slab
Spatial coherence thermal electromagnetic vicinity dielectric slab
2015/8/10
We present the analytic calculation of the cross-spectral density tensor of a thermally radiative planar dielectric slab in extreme near-field, intermediate near-field, and far-field...
Three-dimensional electromagnetic metamaterials that homogenize to uniform non-Maxwellian media
Three-dimensional electromagnetic metamaterials uniform non-Maxwellian media
2015/8/10
We consider three-dimensional structures consisting of multiple interlocking, disconnected metal networks.We show that, in the low-frequency limit, these systemssupport photonic bands with linear disp...
Optical system for electromagnetic field measurement using modulated scattering technique
electromagnetic field measurement optically modulated scatterer
2011/4/25
n the paper, an optical system used in radio frequency (RF) electromagnetic field measurements is described. A new design of an optically powered and controlled modulated scatterer driven by a plastic...