搜索结果: 1-15 共查到“理学 dielectric”相关记录73条 . 查询时间(0.192 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 ...
Dielectric Asymmetry in the Photosynthetic Reaction Center
Dielectric Asymmetry Photosynthetic Reaction Center
2016/5/23
Although the three-dimensional structure of the bacterial photosynthetic reaction center (RC) reveals a high level of structural symmetry, with two nearly equivalent potential electron transfer pathwa...
Dielectric Relaxation in a Protein Matrix
biology and medicine, basic studies chemistry proteins solvation dielectric properties time dependence relaxation fluorescence
2016/5/23
We report measurements of time-dependent solvation in a protein medium by the fluorescence dynamic Stokes shift method. Picosecond time-correlated single photon counting fluorescence decays on the com...
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...
MIXED FINITE ELEMENT METHOD FOR ELECTROWETTING ON DIELECTRIC WITH CONTACT LINE PINNING
FINITE ELEMENT CONTACT LINE PINNING
2015/12/11
We present a mixed finite element method for a model of the flow in
a Hele-Shaw cell of 2-D fluid droplets surrounded by air driven by surface tension
and actuated by an electric &...
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...
Accuracy and efficiency in computing electrostatic potential for an ion channel model in layered dielectric/electrolyte media
Poisson-Boltzmann equation layered electrolytes and dielectrics
2014/9/26
This paper will investigate the numerical accuracy and efficiency in computing the
electrostatic potential for a finite-height cylinder, used in an explicit/implicit hy-brid solvation model for ion c...
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...
A New Artificial Dielectric Metamaterial and its Application as a THz Anti-Reflection Coating
Artificial Dielectric Metamaterial Application THz Anti-Reflection Coating
2011/10/11
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 thin polypr...
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...