• Chinese Journal of Lasers
  • Vol. 26, Issue 1, 65 (1999)
[in Chinese], [in Chinese], and [in Chinese]
Author Affiliations
  • [in Chinese]
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    [in Chinese], [in Chinese], [in Chinese]. Light Diffraction and Diffraction-free Beams[J]. Chinese Journal of Lasers, 1999, 26(1): 65 Copy Citation Text show less

    Abstract

    Characteristics of light diffraction and diffraction free beams are analyzed. The criterion to diffraction free beams is discussed. It is pointed out that light diffraction means a non eigen solution beam of the wave equation degenerating into an eigen solution beam during propagation.