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Frontiers of Optoelectronics

, Volume 10, Issue 1, pp 9–13 | Cite as

Transformation of Laguerre-Gaussian beam by a ring-lens

  • Jingtao Xin
  • Zhehai Zhou
  • Xiaoping Lou
  • Mingli Dong
  • Lianqing Zhu
Letter
  • 56 Downloads

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.

Keywords

ring-lens (RL) Bessel beam spatial light modulator (SLM) 

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Notes

Acknowledgements

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).

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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Jingtao Xin
    • 1
  • Zhehai Zhou
    • 2
  • Xiaoping Lou
    • 2
  • Mingli Dong
    • 2
  • Lianqing Zhu
    • 1
    • 2
  1. 1.Beijing Engineering Research Center of Optoelectronic Information and InstrumentsBeijing Information Science and Technology UniversityBeijingChina
  2. 2.Beijing Key Laboratory for Optoelectronic Measurement TechnologyBeijing Information Science and Technology UniversityBeijingChina

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