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Wang Xiqing, Ke Zunping, Lü Baida. Propagation properties of cosine-Gaussian beams[J]. LASER TECHNOLOGY, 2001, 25(2): 121-125.
Citation: Wang Xiqing, Ke Zunping, Lü Baida. Propagation properties of cosine-Gaussian beams[J]. LASER TECHNOLOGY, 2001, 25(2): 121-125.

Propagation properties of cosine-Gaussian beams

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  • Received Date: February 17, 2000
  • Revised Date: July 10, 2000
  • Published Date: March 24, 2001
  • The properties of cosine-Gaussian beams propag ating in free space and propagating through an unapertured thin lens are respectively analyzed and calculated.The closed-form expressions of the diffraction field are obtained by using the general Huygens-Fresnel diffraction integral.Axial intensity and relative focal shift are derived.The calculated results are analyzed and compared.
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