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Transformation of a generalized Bessel-Laguerre-Gaussian beam by a paraxial ABCD optical system

机译:通过段ABCD光学系统改造广义贝塞尔-LAGUERRE-GASSIAN光束

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摘要

An analytical expression of a Generalized Bessel-Laguerre-Gaussian (GBLG) beam passing through a paraxial ABCD optical system is developed by using the generalized Huygens-Fresnel diffraction integral. This result is regarded as the main finding of this paper. Several studies such as the propagation of fundamental Gaussian, flat-topped Gaussian, Bessel-Gaussian, Generalized Bessel-Gaussian and Laguerre-Gaussian beams, through an ABCD optical system, are derived as particular cases of our principle investigation. Numerical simulations are performed, in this work, to illustrate the propagation properties of GBLG beam through a free space, a thin lens, a Fractional Fourier transform system and a quadratic graded-index system.
机译:通过使用横透过ABCD光学系统的广义贝塞尔-LAGUERRE-GAUSSIAN(GBLG)光束的分析表达是通过使用广义的HUYGENS - 菲涅耳衍射积分而形成的。该结果被视为本文的主要发现。通过ABCD光学系统,通过ABCD光学系统的特定情况导出了几项研究,如基本高斯,平顶高斯高斯,贝塞尔-Gaussian,广义贝塞尔-Gaussian和Laguerre-Gaussian梁的传播等研究。在该工作中执行数值模拟,以说明通过自由空间,薄透镜,分数傅里叶变换系统和二次分级索引系统的GBLG光束的传播特性。

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