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Peng Runwu, . Focal shift in Bassel beams focused by an aperture-lens separation system[J]. LASER TECHNOLOGY, 2003, 27(1): 26-28.
Citation: Peng Runwu, . Focal shift in Bassel beams focused by an aperture-lens separation system[J]. LASER TECHNOLOGY, 2003, 27(1): 26-28.

Focal shift in Bassel beams focused by an aperture-lens separation system

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  • Received Date: November 14, 2001
  • Revised Date: April 09, 2002
  • Published Date: January 24, 2003
  • In the paper,the expression for axial intensity distribution of Bassel beams passing through an aperture lens separation system is derived based on Collins formula.The focal shift may be reversed,depending on the aperture lens separation.
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