双曲余弦-高斯光束经微小孔衍射的轴上光强特性

何仲, 康小平

何仲, 康小平. 双曲余弦-高斯光束经微小孔衍射的轴上光强特性[J]. 应用光学, 2013, 34(5): 768-771.
引用本文: 何仲, 康小平. 双曲余弦-高斯光束经微小孔衍射的轴上光强特性[J]. 应用光学, 2013, 34(5): 768-771.
HE Zhong, KANG Xiao-ping. Axial light intensity characteristics of cosh-Gaussian beams diffracted by small aperture[J]. Journal of Applied Optics, 2013, 34(5): 768-771.
Citation: HE Zhong, KANG Xiao-ping. Axial light intensity characteristics of cosh-Gaussian beams diffracted by small aperture[J]. Journal of Applied Optics, 2013, 34(5): 768-771.

双曲余弦-高斯光束经微小孔衍射的轴上光强特性

详细信息
    通讯作者:

    何仲(1964-),男,海南乐东人,高级实验师,主要从事光束的传输与变换研究及实验教学工作。 Email: hezhong2013@126.com。通信作者,康小平,Email: xpk710@126.com

    何仲(1964-),男,海南乐东人,高级实验师,主要从事光束的传输与变换研究及实验教学工作。 Email: hezhong2013@126.com。通信作者,康小平,Email: xpk710@126.com

  • 中图分类号: TN201; O436

Axial light intensity characteristics of cosh-Gaussian beams diffracted by small aperture

  • 摘要: 基于横截面上精确表述的光强和瑞利-索末菲衍射积分公式,通过数值计算分析双曲余弦-高斯光束经微小孔衍射的轴上光强特性,详细讨论了偏心参数、微小孔的孔径a和束腰宽度与波长之比w0/对双曲余弦-高斯光束轴上光强的影响。结果表明:双曲余弦-高斯光束的轴上光强分布依赖于偏心参数、孔径a、w0/参数和传输距离。
    Abstract: Base on the accurate expression of light intensity on the cross section and Rayleigh-Sommerfeld diffraction integrals, the characteristics of axial light intensity of cosh-Gaussian beams diffracted by a small aperture were analyzed and discussed by numerical calculation, and the influences of decentered parameter , the radius of small aperture a and the parameter w0/ on the axial light intensity of cosh-Gaussian beams were also discussed in detail. Results show that the axial light intensity of cosh-Gaussian beams depends not only on the decentered parameter , the radius of small aperture a and parameter w0/, but also on the transmission distance.
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出版历程
  • 刊出日期:  2013-09-14

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