平顶光束在不同系统中的传输特性比较

doi:10.3969/j.issn.1007-5461.2022.03.005

量子电子学报 ›› 2022, Vol. 39 ›› Issue (3): 334-342.doi: 10.3969/j.issn.1007-5461.2022.03.005

平顶光束在不同系统中的传输特性比较

姜其畅∗, 张存, 苏艳丽, 孙悦, 马紫微

( 运城学院物理与电子工程系, 山西运城044000 )

收稿日期:2020-09-21 修回日期:2020-12-15 出版日期:2022-05-28 发布日期:2022-05-28
通讯作者: E-mail: jiangsir009@163.com E-mail: jiangsir009@163.com
作者简介:姜其畅( 1980 - ), 博士, 教授, 主要从事非线性光学和光场调控方面的研究。E-mail: jiangsir009@163.com
基金资助:
Supported by Natural Science Foundation of Shanxi Province (山西省自然科学基金, 201801D121023)

Comparison of propagation properties of flat-top beams in different systems

JIANG Qichang∗, ZHANG Cun, SU Yanli, SUN Yue, MA Ziwei

( Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China )

Received:2020-09-21 Revised:2020-12-15 Published:2022-05-28 Online:2022-05-28

摘要/Abstract

摘要： 采用数值方法, 对平顶高斯光束在自由空间、单透镜系统和复杂光学系统中的传输特性进行了研究。结果表明: 平顶高斯光束在自由空间中传输时, 首先会产生凹陷, 形成两侧峰结构, 随后两侧峰会逐渐融合为单峰的类高斯结构, 并在相当长的距离内保持类高斯分布传输; 在单透镜系统中, 由于透镜的聚焦作用, 平顶高斯光束会在焦点处表现出强聚焦效应, 而随着传输距离的继续加大, 光束会再次恢复平顶分布; 在光阑和透镜组成的复杂光学系统中, 由于光阑的限制, 平顶分布遭到破坏, 在透镜焦点之后无法再恢复平顶分布, 说明在平顶光束光路中应当尽量避免光阑元件的干扰。

关键词: 波动光学, 平顶光束, 平顶高斯光束, 透镜系统, 复杂光学系统

Abstract: The propagation properties of flat-top Gaussian beams in free space, single lens system and complex optical system are investigated by numerical method. It is found that when a flattened Gaussian beam propagates in free space, it will first present a hollow structure, then two side peaks form, at last the two side peaks will gradually merge into a single-peak construction with the propagation distance, and the Gaussian-like construction of single-peak can maintain for a long distance. While propagating in a single lens system, the flattened Gaussian beam presents strong focusing effect at the focal point, and after a certain distance, the beam will return to the flat-top distribution again. However, in the complex optical system composed of aperture and lens, the flat-top distribution of beams cannot recover after the focal point because of the restriction of the aperture, which indicates that the aperture should be avoided in the path of flat-top beam.

Key words: wave optics, flat-top beams, flattened Gaussian beams, lens system, complex optical system

中图分类号:

O435

姜其畅∗, 张存, 苏艳丽, 孙悦, 马紫微. 平顶光束在不同系统中的传输特性比较[J]. 量子电子学报, 2022, 39(3): 334-342.

JIANG Qichang, ZHANG Cun, SU Yanli, SUN Yue, MA Ziwei. Comparison of propagation properties of flat-top beams in different systems[J]. Chinese Journal of Quantum Electronics, 2022, 39(3): 334-342.

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平顶光束在不同系统中的传输特性比较

Comparison of propagation properties of flat-top beams in different systems

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