氧气第一旋转三重的线形参数

IF 2.3 3区物理与天体物理 Q2 OPTICS Journal of Quantitative Spectroscopy & Radiative Transfer Pub Date : 2024-10-12 DOI:10.1016/j.jqsrt.2024.109220

M.A. Koshelev, I.N. Vilkov, G.Yu. Golubiatnikov, A.Yu. Sekacheva, M.Yu. Tretyakov

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引用次数: 0

摘要

在碰撞弛豫率速度依赖性二次近似的框架内，研究了氧分子旋转带第一三重的线形，它超越了 Voigt 轮廓。在室温条件下，使用两种截然不同的光谱仪，特别是视频光谱仪和无线电声学吸收探测光谱仪，获得了由 O2 和 N2 扩宽的线的记录。根据线形记录分析确定了一组线形参数。通过对不同技术获得的参数进行比较分析，并与以前的数据进行比较，评估了数据的准确性和可靠性。

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Line-shape parameters of the oxygen first rotational triplet

A lines shape of the first triplet of rotational band of oxygen molecule was studied beyond the Voigt profile in the framework of the quadratic approximation of speed dependence of collision relaxation rate. Recordings of the lines broadened by O₂ and N₂ were obtained at room temperature using two fundamentally different spectrometers, in particular, a video spectrometer and a spectrometer with radio-acoustic detection of absorption. A set of line-shape parameters was determined based on the line recording analysis. Data accuracy and reliability was evaluated from a comparative analysis of the parameters obtained from different techniques and with previous data.

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来源期刊

Journal of Quantitative Spectroscopy & Radiative Transfer 物理-光谱学

CiteScore

5.30

自引率

21.70%

发文量

273

审稿时长

58 days

期刊介绍： Papers with the following subject areas are suitable for publication in the Journal of Quantitative Spectroscopy and Radiative Transfer: - Theoretical and experimental aspects of the spectra of atoms, molecules, ions, and plasmas. - Spectral lineshape studies including models and computational algorithms. - Atmospheric spectroscopy. - Theoretical and experimental aspects of light scattering. - Application of light scattering in particle characterization and remote sensing. - Application of light scattering in biological sciences and medicine. - Radiative transfer in absorbing, emitting, and scattering media. - Radiative transfer in stochastic media.