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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...
Tight focusing of partially coherent and radiallly polarized vortex beams
Partially coherent and radially polarized vortex beam Large numerical aperture and diffractive optical element Spatial coherence Interesting beam patterns
2013/7/2
We investigate the tight focusing properties of partially coherent and radially polarized vortex beams by use of vectorial Debye theory. It is found that the intensity profiles and the degree of coher...
Tight focusing of partially coherent and radiallly polarized vortex beams
Partially coherent and radially polarized vortex beam Large numerical aperture and diffractive optical element Spatial coherence Interesting beam patterns
2013/7/2
We investigate the tight focusing properties of partially coherent and radially polarized vortex beams by use of vectorial Debye theory. It is found that the intensity profiles and the degree of coher...
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...
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...
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 spirally polarized vortex beams
Tightly focusing Spiral polarization Vortex beams
2013/7/2
he tight focusing of spirally polarized focused vortex beams is analyzed numerically based on the vectorial Debye theory. The expressions for the electric field and the orbital angular momentum of foc...
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-...