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Fang Xiang, Jiang Xinguang, Wu Fengtie, Cheng Zhiming, Fan Dandan. Design of incoherent light source LED for generating non-diffracting beams[J]. Infrared and Laser Engineering, 2013, 42(1): 159-162.
Citation: Fang Xiang, Jiang Xinguang, Wu Fengtie, Cheng Zhiming, Fan Dandan. Design of incoherent light source LED for generating non-diffracting beams[J]. Infrared and Laser Engineering, 2013, 42(1): 159-162.

Design of incoherent light source LED for generating non-diffracting beams

  • Received Date: 2012-05-06
  • Rev Recd Date: 2012-06-09
  • Publish Date: 2013-01-25
  • In the experiment of the incoherent light source generating non-diffracting beams, the uniformity of the incident beams for generating high quality non-diffracting beams is significant. In this paper, incoherent white light LED was used as the light source. The propagation of light was simulated through analyzing the characteristics of LED light and design of uniform illumination was deduced in theory according to the conservation of light. Hence, the lens design method was obtained which could generate the uniform beam based on the non-imaging optics. With optical simulation software and ray tracing, it is shown that the design meets the requirement of uniformity of incident beams, and meanwhile, the rationality of design is demonstrated by the experimental result that high quality zero-order Bessel beam can be obtained with uniform distribution of beam intensity.
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Design of incoherent light source LED for generating non-diffracting beams

  • 1. College of Information Science &Engineering,Huaqiao University,Quanzhou 362021,China

Abstract: In the experiment of the incoherent light source generating non-diffracting beams, the uniformity of the incident beams for generating high quality non-diffracting beams is significant. In this paper, incoherent white light LED was used as the light source. The propagation of light was simulated through analyzing the characteristics of LED light and design of uniform illumination was deduced in theory according to the conservation of light. Hence, the lens design method was obtained which could generate the uniform beam based on the non-imaging optics. With optical simulation software and ray tracing, it is shown that the design meets the requirement of uniformity of incident beams, and meanwhile, the rationality of design is demonstrated by the experimental result that high quality zero-order Bessel beam can be obtained with uniform distribution of beam intensity.

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