Representation theory for vector electromagnetic beams

doi:10.1103/PhysRevA.78.063831

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	Representation theory for vector electromagnetic beams
	Li, Chun-Fang 1,2
作者部门	瞬态光学国家重点实验室
	2008-12-01
发表期刊	PHYSICAL REVIEW A
ISSN	1050-2947
卷号	78 期号:6 页码:063831-1-063831-7
摘要	A representation theory of finite electromagnetic beams in free space is formulated by factorizing the field vector of the plane-wave component into a 3x2 mapping matrix and a two-component Jones-like vector. The mapping matrix has one degree of freedom that can be described by the azimuthal angle of a fixed unit vector with respect to the wave vector. This degree of freedom allows us to find out such a beam solution in which every plane-wave component is specified by the same fixed unit vector I and has the same normalized Jones-like vector. The angle theta(I) between the fixed unit vector I and the propagation axis acts as a parameter that describes the vectorial property of the beam. The impact of theta(I) is investigated on a beam of angular-spectrum field scalar that is independent of the azimuthal angle. The field vector in position space is calculated in the first-order approximation under the paraxial condition. A transverse effect is found that a beam of elliptically polarized angular spectrum is displaced from the center in the direction that is perpendicular to the plane formed by the fixed unit vector and the propagation axis. The expression of the transverse displacement is obtained. Its paraxial approximation is also given.
文章类型	Article
关键词	Electromagnetic Wave Polarisation Electromagnetic Wave Propagation Electromagnetic Waves Vectors
学科领域	数理科学和化学
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1103/PhysRevA.78.063831
收录类别	SCI ; EI
关键词[WOS]	GAUSSIAN LASER MODES ; FREE-SPACE ; POLARIZED-LIGHT ; OPTICAL-SYSTEMS ; TRANSFORMATION ; PROPAGATION ; REFLECTION
语种	英语
WOS研究方向	Optics ; Physics
WOS类目	Optics ; Physics, Atomic, Molecular & Chemical
WOS记录号	WOS:000262243500081
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.opt.ac.cn/handle/181661/11005
专题	瞬态光学研究室
作者单位	1.Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China 2.CAS, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
推荐引用方式 GB/T 7714	Li, Chun-Fang. Representation theory for vector electromagnetic beams[J]. PHYSICAL REVIEW A,2008,78(6):063831-1-063831-7.
APA	Li, Chun-Fang.(2008).Representation theory for vector electromagnetic beams.PHYSICAL REVIEW A,78(6),063831-1-063831-7.
MLA	Li, Chun-Fang."Representation theory for vector electromagnetic beams".PHYSICAL REVIEW A 78.6(2008):063831-1-063831-7.

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