Generalization and propagation of spiraling Bessel beams with a helical axicon

A generalized type of spiral Bessel beam has been demonstrated by using a spatially displaced helical axicon （HA）. The topological charge of the spiraling Bessel beams is determined by the order of the input Laguerre Gaussian （LG） beam and the topological charge of the HA. The obtained spiraling Bes...

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Published inChinese physics B Vol. 21; no. 1; pp. 234 - 243
Main Author 孙琼阁 周可雅 方光宇 刘正君 刘树田
Format Journal Article
LanguageEnglish
Published 2012
Subjects
Beams (radiation)
Charge
Displacement
Helical
Hydroxyapatite
Mathematical models
Modulation
Stability
Topology
传播方向
传输距离
动态特性
棱锥
螺旋轴
计算结果
调制类型
贝塞尔光束
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/21/1/014208

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Summary:A generalized type of spiral Bessel beam has been demonstrated by using a spatially displaced helical axicon （HA）. The topological charge of the spiraling Bessel beams is determined by the order of the input Laguerre Gaussian （LG） beam and the topological charge of the HA. The obtained spiraling Bessel beams have an LG type of modulation along their propagation direction and exhibit annihilation-reconstruction properties. Theoretical analysis is presented, including that of the stability, propagation distance, topological charge, and spiraling dynamic characteristics. The mathematical and numerical results show that the propagation distance and helical revolution of the spiraling Bessel beams can be controlled through choosing appropriate radius of the HA.
Bibliography:Bessel beam, helical axicon, beam propagation, spiral beam
A generalized type of spiral Bessel beam has been demonstrated by using a spatially displaced helical axicon （HA）. The topological charge of the spiraling Bessel beams is determined by the order of the input Laguerre Gaussian （LG） beam and the topological charge of the HA. The obtained spiraling Bessel beams have an LG type of modulation along their propagation direction and exhibit annihilation-reconstruction properties. Theoretical analysis is presented, including that of the stability, propagation distance, topological charge, and spiraling dynamic characteristics. The mathematical and numerical results show that the propagation distance and helical revolution of the spiraling Bessel beams can be controlled through choosing appropriate radius of the HA.
Sun Qiong-Ge, Zhou Ke-Ya , Fang Guang-Yu Liu Zheng-Jun, and Liu Shu-Tian （ a） Department of physics, Harbin Institute of Technology, Harbin 150001, China b） Department of Automation Measurement and Control Engineering, Harbin Institute of Technology, Harbin 150001, China
11-5639/O4
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/1/014208