搜索结果: 1-15 共查到“物理学 dielectric”相关记录52条 . 查询时间(0.156 秒)
New ‘Bottlebrush’ Electroactive Polymers Make Dielectric Elastomers Increasingly Viable for Use in Devices
Bottlebrush Electroactive Polymers Dielectric Elastomers Use in Devices
2016/11/29
Dielectric elastomers (DEs) are the leading technology for artificial muscles due to a favorable combination of large stroke, fast response, and high energy density. However, at large actuations, DEs ...
Optomechanics of Levitated Dielectric Particles
Optomechanics optical trapping Brownian motion macroscopic quantum mechanics sensor
2016/1/23
We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quan-tum mechanics and ultrasensitive forc...
Radiation of horizontal electric dipole on large dielectric sphere
Radiation horizontal electric dipole large dielectric sphere
2015/10/16
The electromagnetic field in air of a radiating electric dipole located below and tangential to the surface of a homogeneous, isotropic and optically dense sphere is studied anew. The starting point i...
The experimental set-valued index of refraction of dielectric and anelastic media
dielectric anelastic splitting index of refraction
2015/9/28
The dielectric parameter, in the generalised Debye form, of all studied substances (Cole and Cole, 1941) contains a rational power of the imaginary frequency which implies that the index of refraction...
Generation of super-len gth optical needle by focusi ng hybridly polarize d vector beams through a dielectric interface
Generation super-len gth optical needle focusing hybridly polarize dvector beams dielectric interface
2013/7/3
A super-length optical needle (～14λ) of strong transversally polarized field with homogeneous intensity along the optical axis and subdiffraction beam size ( ～0 .9λ) can be generated by focusing a hyb...
Metallo-dielectric hybrid antennas for ultrastrong enhancement of spontaneous emission
Metallo-dielectric hybrid antennas ultrastrong enhancement of spontaneous emission Optics
2012/5/29
We devise new optical antennas that reduce the excited-state radiative lifetimes of emitters to the order of 100 femtoseconds while maintaining quantum efficiencies of about 80% at a broadband operati...
Polariton waves in nonlinear dielectric medium
dielectric medium phonon-polariton spectrum soliton cnoidal wave all-optical logic gates
2012/5/29
The phonon-polariton spectrum in dielectric medium with the third order nonlinearity was theoretically obtained. Dependence of number of polariton spectrum branches on intensity of electromagnetic fie...
Fractional Integro-Differential Equations for Electromagnetic Waves in Dielectric Media
Fractional integro-differentiation fractional damping universal response electromagnetic field dielectric medium
2011/9/23
Abstract: We prove that the electromagnetic fields in dielectric media whose susceptibility follows a fractional power-law dependence in a wide frequency range can be described by differential equatio...
A New Artificial Dielectric Metamaterial and its Application as a THz Anti-Reflection Coating
Artificial Dielectric Metamaterial THz Anti-Reflection Coating Optics
2011/8/17
Abstract: We describe a novel artificial dielectric material which has applications at millimetre and submillimetre wavelengths. The material is manufactured from layers of metal mesh patterned onto t...
The Hartman paradox and new model of scattering the plane TE polarized light wave on a dielectric layer
optical analogue of the Hartman paradox time and velocity of tunneling the light energy layered structure FTIR
2011/8/4
Abstract: The problem of describing the temporal aspects of scattering the plane light wave on an uniform dielectric layer is reconsidered. In the standard model of this scattering process a correct d...
Bound states in the radiation continuum and a resonant generation of second harmonics in double arrays of subwavelength dielectric cylinders
Bound states radiation continuum subwavelength dielectric cylinder second harmonics
2011/8/24
Abstract: A nonlinear electromagnetic scattering problem is studied for two parallel periodic arrays of dielectric cylinders with a second order nonlinear susceptibility. For a wide range of values of...
Electrometry near a dielectric surface using Rydberg electromagnetically induced transparency
Rydberg electromagnetically induced Electrometry
2011/9/2
Electrometry near a dielectric surface is performed using Rydberg electromagnetically induced transparency (EIT). The large polarizability of high n-state Rydberg atoms gives this method extreme sensi...
Electrode Polarization Effects in Broadband Dielectric Spectroscopy
Electrode Polarization Effects Broadband Dielectric Spectroscopy
2011/9/9
In the present work, we provide broadband dielectric spectra showing strong electrode polarization effects for various materials, belonging to very different material classes. This includes both ionic...
Electrodynamic Response of the Charge Ordering Phase: Dielectric and Optical Studies of alpha-(BEDT-TTF)2I3
Electrodynamic Response of the Charge Ordering Phase Dielectric Optical Studies
2010/11/25
We report on the anisotropic response, the charge and lattice dynamics of normal and hargeordered phases with horizontal stripes in single crystals of the organic conductor -(BEDT-TTF)2I3 determined ...
Optical Dielectric Functions of III-V Semiconductors in Wurtzite Phase
Optical Dielectric Functions III-V Semiconductors Wurtzite Phase
2010/11/22
Optical properties of semiconductors can exhibit strong polarization dependence due to crystalline anisotropy. A number of recent experiments have shown that the photoluminescence intensity in free st...