红外湿空气的Refractive Index:模型拟合
Refractive Index of Humid Air in the Infrared: Model Fits
摘要:
本文利用电磁线跃迁求和理论,在一定的二氧化碳含量下,对从H波段到Q波段的五个不同红外波段的湿空气折射率随基本独立参数(温度、压力、湿度、波长)的泰勒展开进行了计算。这些是原始的最小二乘拟合,高分辨率的光谱,一组温度从10到25 ℃,一组压力从500到1023百帕,和一组相对湿度从5到60%。这些选择反映了在天文望远镜的山区高度的环境空气特性的应用前景。
英文摘要:
The theory of summation of electromagnetic line transitions is used to tabulate the Taylor expansion of the refractive index of humid air over the basic independent parameters (temperature, pressure, humidity, wavelength) in five separate infrared regions from the H to the Q band at a fixed percentage of Carbon Dioxide. These are least-squares fits to raw, highly resolved spectra for a set of temperatures from 10 to 25 C, a set of pressures from 500 to 1023 hPa, and a set of relative humidities from 5 to 60%. These choices reflect the prospective application to characterize ambient air at mountain altitudes of astronomical telescopes.
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