Transformation of Laguerre-Gaussian beam by a ring-lens

The propagation property of Laguerre-Gaus- sian （LG） beams passing through a diffractive ring-lens （RL） was studied, where the RL was generated by a liquid crystal spatial light modulator （LC-SLM）. It was found that the LG beam was transformed into a sharp ring at the focal plane first, and then a B...

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Bibliographic Details
Published inFrontiers of Optoelectronics (Online) Vol. 10; no. 1; pp. 9 - 13
Main Authors XIN, Jingtao, ZHOU, Zhehai, LOU, Xiaoping, DONG, Mingli, ZHU, Lianqing
Format Journal Article
LanguageEnglish
Published Beijing Higher Education Press 01.03.2017
Springer Nature B.V
Subjects
Beams (radiation)
Bessel beam
Biomedical Engineering and Bioengineering
Cameras
Collimation
Electrical Engineering
Engineering
Focal plane
Gaussian beams (optics)
Lenses
Letter
Liquid crystals
Physics
Propagation
ring-lens (RL)
spatial light modulator (SLM)
Spatial light modulators
传播特性
传播距离
液晶空间光调制器
环形
衍射环
贝塞尔光束
透镜变换
高斯光束
spatial light modulator (SLM)
ring-lens (RL)
Bessel beam
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Summary:The propagation property of Laguerre-Gaus- sian （LG） beams passing through a diffractive ring-lens （RL） was studied, where the RL was generated by a liquid crystal spatial light modulator （LC-SLM）. It was found that the LG beam was transformed into a sharp ring at the focal plane first, and then a Bessel-similar beam was formed behind the focal plane but the beam size was enlarged with the increase of propagation distance. With the help of a group of lenses, the beam was further collimated into a Bessel beam. Finally, the ＂non-diffractive＂ and self- reconstruction properties of the generated Bessel beams were experimentally verified.
Bibliography:The propagation property of Laguerre-Gaus- sian （LG） beams passing through a diffractive ring-lens （RL） was studied, where the RL was generated by a liquid crystal spatial light modulator （LC-SLM）. It was found that the LG beam was transformed into a sharp ring at the focal plane first, and then a Bessel-similar beam was formed behind the focal plane but the beam size was enlarged with the increase of propagation distance. With the help of a group of lenses, the beam was further collimated into a Bessel beam. Finally, the ＂non-diffractive＂ and self- reconstruction properties of the generated Bessel beams were experimentally verified.
10-1029/TN
ring-lens （RL）, Bessel beam, spatial light modulator （SLM）
spatial light modulator (SLM)
Bessel beam
ring-lens (RL)
Document received on :2016-01-19
Document accepted on :2016-04-23
ISSN:2095-2759
2095-2767
DOI:10.1007/s12200-016-0606-3