基于光工具的光线跟踪和赫里奥特电池光斑分布规则

IF 0.8 4区 化学 Q4 SPECTROSCOPY Journal of Applied Spectroscopy Pub Date : 2024-03-07 DOI:10.1007/s10812-024-01704-0
Weifeng Wang, Hanfei Liu, Hang Li, Bo Yang, Xiaowei Zhai, Jun Li, Duo Zhang, Li Feng Ren
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引用次数: 0

摘要

针对赫里奥特池设计过程中光线跟踪光斑及其分布规律不清晰的问题,首先分析了长光路气体吸收池的特点,研究了赫里奥特气体吸收池基本腔长和有效光路的计算方法。其次,根据几何光学的透射特性,通过 LightTools 软件建立了赫里奥特吸收池透射光的物理模型。最后,分别对 5 米和 14.4 米光程的赫里奥特吸收池进行了仿真分析,确定了 d/f 与凹面镜反射光斑数量之间的定量关系,优化了赫里奥特吸收池的有效光程和输出激光能量。通过研究分析,确定了赫里奥特电池中凹面镜光斑的大小和分布位置,以及影响反射数量的因素。研究还发现,随着 d/f 的增大,反射光斑的数量逐渐减少,揭示了光跟踪结果及其光斑在镜面上的分布规律,验证了理论的准确性。该研究结果为不同光路长度的赫里奥特电池的光路系统设计和优化提供了依据。
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LightTools-Based Ray Tracing and Spot Distribution Rules for Herriott Cells

Focusing on the problem of unclear ray-traced spots and their distribution rules in the design process of the Herriott cell, first, the characteristics of long-optical-path gas absorption cells were analyzed, and the calculation method of basic cavity length and the effective optical path of Herriott gas absorber cells were studied. Second, according to the transmission characteristics of geometric optics, a physical model of light transmission in Herriott cells was established via the LightTools software. Finally, simulation analysis was performed on Herriott cells with 5- and 14.4-m optical paths separately, determining the quantitative relationship between d/f and the number of spots reflected on the concave mirror, and optimizing the effective optical path and output laser energy of the Herriott cells. Through research analysis, the sizes and distribution positions of concave mirror spots in the Herriott cells were identified, as well as the factors affecting the number of reflections. It was also found that the number of reflected spots gradually decreases as d/f increases, revealing the light-tracing results and its spot distribution rule on the mirror surface, as well as verifying the accuracy of the theory. The findings of this study provide a basis for the optical path system design and optimization for Herriott cells with different optical path lengths.

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来源期刊
CiteScore
1.30
自引率
14.30%
发文量
145
审稿时长
2.5 months
期刊介绍: Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.
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