| 光谱学与光谱分析 |
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| Four Styles of Spectral Line Shape Function and Their Transformation Relation |
| YIN Zeng-qian1, WU Chen1, WANG Yong-jie1，LI Xue-chen2 |
1. Department of Mathematics and Physics, North China University of Electric Power, Baoding 071003, China
2. College of Physics and Technology, Hebei University, Baoding 071002, China |
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Abstract Four styles of spectral line shape function and their transformation relation were investigated theoretically. The photon number and energy distribution as functions of frequency and wavelength resulting from Doppler broadening were investigated, and the maximum intensity and FWHM(Full width at half maximum intensity) were obtained. The results show that the photon number distribution as function of frequency is almost the same as the energy distribution as function of frequency, while the photon number distribution as function of wavelength is almost the same as the energy distribution as function of wavelength. The method has been presented by analyzing the Doppler spectral line shape function, with which the ratio of density between two spectral lines can be obtained according to the ratio of maximum value of two spectral lines.
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Received: 2011-10-08
Accepted: 2012-02-28
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Corresponding Authors:
YIN Zeng-qian
E-mail: yinzq_1964@sina.com
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[1] ZHANG Qing-guo，YOU Jing-han，HE Jian(张庆国，尤景汉，贺 健). Journal of Henan University of Science and Technology：Natural Science(河南科技大学学报·自然科学版)，2008，29(1)：84.
[2] DONG Li-fang，RAN Jun-xia，MAO Zhi-guo(董丽芳，冉俊霞，毛志国). Acta Physica Sinica(物理学报)，2005，54(5)：2167.
[3] HE Jian，ZHANG Qingguo. J. Opt. A：Pure Appl. Opt.，2007，9：565. |
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