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Li Qi, Wang Qi, Gao Huide. Influence of input beam radii on ring-shaped intensity produced by BOE[J]. LASER TECHNOLOGY, 2002, 26(1): 35-37,40.
Citation: Li Qi, Wang Qi, Gao Huide. Influence of input beam radii on ring-shaped intensity produced by BOE[J]. LASER TECHNOLOGY, 2002, 26(1): 35-37,40.

Influence of input beam radii on ring-shaped intensity produced by BOE

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  • Received Date: October 22, 2000
  • Revised Date: December 26, 2000
  • Published Date: January 24, 2002
  • Based on the 16 phase level binary optical elecment(BOE) designed to convert a given single-mode He-Ne laser beam into a ring-shaped intensity distribution,its shaping effect is numerically simulated for different input beam radii.The simulation results show that the relative mean-square deviation of the shaped amplitude is less than 5% when the difference between the input beam radius and the designed one is within the range of ±50μm.Furthermore,experiment results have been presented for the case that the input beam radius is 1.745mm and the -wavelength for the semiconductor is 660nm.
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