摘要Based on the generalized diffraction integral formula and the idea that the angle misalignment of the cat-eye optical lens can be transformed into the displacement misalignment, an approximate analytical propagation formula for Gaussian beams through a cat-eye optical lens under large incidence angle condition is derived. Numerical results show that the diffraction effect of the apertures of the cat-eye optical lens becomes stronger along with the increase in incidence angle. The results are also compared with those from using an angular spectrum diffraction integral and experiment to illustrate the applicability and validity of our theoretical formula. It is shown that the approximate extent is good enough for the application of a cat-eye optical lens with a radius of 20 mm and a propagation distance of 100 m, and the approximate extent becomes better along with the increase in the radius of the cat-eye optical lens and the propagation distance.
Abstract：Based on the generalized diffraction integral formula and the idea that the angle misalignment of the cat-eye optical lens can be transformed into the displacement misalignment, an approximate analytical propagation formula for Gaussian beams through a cat-eye optical lens under large incidence angle condition is derived. Numerical results show that the diffraction effect of the apertures of the cat-eye optical lens becomes stronger along with the increase in incidence angle. The results are also compared with those from using an angular spectrum diffraction integral and experiment to illustrate the applicability and validity of our theoretical formula. It is shown that the approximate extent is good enough for the application of a cat-eye optical lens with a radius of 20 mm and a propagation distance of 100 m, and the approximate extent becomes better along with the increase in the radius of the cat-eye optical lens and the propagation distance.
ZHAO Yan-Zhong**;SUN Hua-Yan;ZHENG Yong-Hui
. An Approximate Analytical Propagation Formula for Gaussian Beams through a Cat-Eye Optical Lens under Large Incidence Angle Condition[J]. 中国物理快报, 2011, 28(7): 74101-074101.
ZHAO Yan-Zhong**, SUN Hua-Yan, ZHENG Yong-Hui
. An Approximate Analytical Propagation Formula for Gaussian Beams through a Cat-Eye Optical Lens under Large Incidence Angle Condition. Chin. Phys. Lett., 2011, 28(7): 74101-074101.
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2011, Vol. 28 
