Study on holographic grating diffraction for Laguerre-Gaussian beam generation

Yi Dong Liu, Chun Qing Gao*, Ming Wei Gao

*Corresponding author for this work

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Abstract

Laguerre-Gaussian beams, as a special model with spiral phase structure, have been intensively investigated. Holographic grating method is a convenient method of generating Laguerre-Gaussian beams and measuring their orbital angular momenta. But due to some inevitable adverse factors such as lateral displacement, angular deflection and elliptical incident profile of incident beam, the practical effectiveness should be reevaluated. This paper is devoted to the study on the influences of the abovementioned three adverse factors on the holographic grating method. The characteristics of the mode decomposition of diffractive order and the relative powers of the orbital angular momentum eigen-states are also given.

Original languageEnglish
Pages (from-to)1769-1776
Number of pages8
JournalChinese Physics B
Volume17
Issue number5
DOIs
Publication statusPublished - 1 May 2008

Keywords

  • Holographic grating
  • Laguerre-Gaussian beam
  • Orbital angular momentum

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Liu, Y. D., Gao, C. Q., & Gao, M. W. (2008). Study on holographic grating diffraction for Laguerre-Gaussian beam generation. Chinese Physics B, 17(5), 1769-1776. https://doi.org/10.1088/1674-1056/17/5/037