搜索结果: 1-14 共查到“物理学 focusing”相关记录14条 . 查询时间(0.04 秒)
Focusing properties of the double-vortex beams through a high numerical-aperture objective
Focusing properties double-vortex beams high numerical-aperture objective
2013/7/3
Focusing properties of the double-vortex beams through a high numerical-aperture objective.
Invest igation on partially coherent vector beams and their propagation and focusing properties
Invest igation partially coherent vector beams propagation focusing properties
2013/7/3
The propagation and focusing properties of partially coherent vector beams including radially polarized and azi-muthally polarized (AP) beams are theoretically and experimentally investigated. The bea...
Tight Focusing of Light Beams: Effect of Polarization, Phase, and Coherence
Tight Focusing Light Beams Effect of Polarization Phase Coherence
2013/7/3
The focusing theory of electromagnetic waves has been well developed. A scalar wave theory satisfactorily describes the focusing process for a small semi-aperture angle. However, the vectorial charact...
Solving the inverse problem of high numerical aperture focusing using Slepian-type vector fields
High numerical aperture focusing Vector diffraction theory Inverse problem Slepian’s concentration problem
2012/5/29
A technique using vector Slepian harmonics and multipole fields is presented for a general treatment of the inverse problem of high numerical aperture focusing. A prescribed intensity distribution or ...
4Pi focusing of spatial ly modula ted radially polarized vorte x beams
4 Pifocusing spatially modulated radially polarized vortex beams
2013/7/3
We propose a method for generating focal beams with special intensity distributions using radially polarized vortex beams in a 4Pi configuration. A spherical dark-hollow beam and hollow beam array can...
Tight focusing properties of hybridly polarize d vector beams
Tight focusing properties hybridly polarize dvector beams
2013/7/3
We theoretically investigate the tight focusing properties of hybridly polarized vector beams. Some numerical results are obtained to illustrate the intensity, phase, and polarization of tightly focus...
Prospects of coherent control in turbid media: Bounds on focusing broadband laser pulses
Prospects coherent control turbid media broadband laser pulses
2011/8/11
Abstract: We study the prospects of controlling transmission of broadband and bi-chromatic laser pulses through turbid samples. The ability to focus transmitted broadband light is limited via both the...
Tight focusing of partially polarized vortex beams by binary phase Fresnel zone plates
partially polarized vortex beams high numerical aperture binary phase Fresnel zone plates
2013/7/3
Based on vectorial Debye theory, the focusing properties of partially polarized vortex beam by high numerical aperture Fresnel zone plate are investigated. The effects of the numerical apertures of an...
Tight focusing properties of linearly polarized Gaussian beam with a pair of vortices
Tight focusing High numerical-aperture Apairofvortices Vector Debye integral Topological charge
2013/7/3
The properties of a pair of vortices embedded in a Gaussian beam focused by a high numerical-aperture are studied on the basis of vector Debye integral. The vortices move and rotate in the vicinity of...
Tight focusing of a double-ring-shaped, azimuth ally polarize d beam
Tight focusing a double-ring-shaped azimuth ally polarize d beam
2013/7/3
We study the focusing properties of a double-ring-shaped azimuthally polarized beam through an annular high NA objective lens. It is shown that a subwavelength focal hole (～ 0:5λ) with a quite long de...
The focusing of electron flow in a bipolar Graphene ribbon with different chiralities
focusing of electron flow different chiralities
2010/11/22
The focusing of electron flow in a symmetric p-n junction (PNJ) of graphene ribbon with different chiralities is studied. Considering the PNJ with the sharp interface, in a armchair ribbon, the electr...
Tight focusing of partially coherent, partially polarized vortex beams
tight focusing partially coherent partially polarized vortex
2013/7/3
We study the tight focusing properties of partially coherent, partially polarized vortex beams through a high numerical aperture (NA) objective. The influence of the degree of polarization,the topolog...
Tight focusing of partially coherent and circularly polarized vortex beams
Tight focusing partially coherent circularly polarized vortex beams
2013/7/3
Based on the vectorial Debye theory, the tight focusing properties of partially coherent and circularly polarized vortex beams are investigated. The focused characteristics of right-circular and left-...
期刊信息
篇名
Self-focusing and merging of two copropagating laser beams in underdense plasma
语种
英文
撰写或编译
作者
Q.L.Dong,Z.M.Sheng,J.Zhang
第一作者单位
刊物名称
PHYS REV E
页面
66,027402 AUG 2003
出版日期
2003年
8月
日
文章标识(ISSN...