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>Transformation of Laguerre-Gaussian beam by a ring-lens

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Abstract

The propagation property of Laguerre-Gaussian (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 selfreconstruction properties of the generated Bessel beams were experimentally verified.

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DOI:10.1007/s12200-016-0606-3

所属栏目:LETTER

基金项目:This work was supported by the Program for ChangJiang Scholars and Innovative Research Team in University, PCSIRT (IRT1212), the National Natural Science Foundation of China (Grant Nos. 61475021 and 61108047).

收稿日期:2016-01-19

修改稿日期:2016-04-23

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Jingtao XIN:Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University,Beijing 100192, China
Zhehai ZHOU:Beijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science and Technology University,Beijing 100192, China
Xiaoping LOU:Beijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science and Technology University,Beijing 100192, China
Mingli DONG:Beijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science and Technology University,Beijing 100192, China
Lianqing ZHU:Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University,Beijing 100192, ChinaBeijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science and Technology University,Beijing 100192, China

联系人作者:Lianqing ZHU(zhulianqing@sina.com)

备注:Jingtao Xin received his M.Sc. degree in 2008 from Xinjiang University, Ph.D. degree in 2013 from Beijing Institute of Technology. Now, he is a lecturer in Beijing Information Science and Technology University. His main research focus on fiber sensing technology, fiber laser, laser beam transformation, and so on.

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引用该论文

Jingtao XIN,Zhehai ZHOU,Xiaoping LOU,Mingli DONG,Lianqing ZHU. >Transformation of Laguerre-Gaussian beam by a ring-lens[J]. Frontiers of Optoelectronics, 2017, 10(1): 9-13

Jingtao XIN,Zhehai ZHOU,Xiaoping LOU,Mingli DONG,Lianqing ZHU. Transformation of Laguerre-Gaussian beam by a ring-lens[J]. Frontiers of Optoelectronics, 2017, 10(1): 9-13

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