Generation of Bessel beams from a diffractive ring lens

Jingtao Xin, Chunqing Gao*, Yidong Liu, Chen Li, Kunjian Dai, Quanxin Na

*Corresponding author for this work

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Abstract

A method to generate a diffractive ring lens by a spatial light modulator is proposed. The diffractive ring lens is used to focus a Gaussian beam into single ring or multi-rings firstly. It was found that the transformed beam exhibits a Bessel transverse profile over the focal length, but the spot size is enlarged with the increase of propagation distance, allowing for generation Bessel beams with a ring lens.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalOptics Communications
Volume310
DOIs
Publication statusPublished - 2014

Keywords

  • Bessel beams
  • Ring lens
  • Spatial light modulator

Cite this

Xin, J., Gao, C., Liu, Y., Li, C., Dai, K., & Na, Q. (2014). Generation of Bessel beams from a diffractive ring lens. Optics Communications, 310, 25-30. https://doi.org/10.1016/j.optcom.2013.07.025