| Ne原子双光子吸收截面的实验测定 |
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| 引用本文： | 周达君,谢汉伟.Ne原子双光子吸收截面的实验测定[J].中山大学学报(自然科学版),1991,30(1):34-39. |
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| 作者姓名： | 周达君 谢汉伟 |
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| 作者单位： | 中山大学激光与光谱学研究所，中山大学激光与光谱学研究所，中山大学激光与光谱学研究所 |
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| 摘 要： | 本文提出了一种测量原子和分子的双光子吸收截面的新方法——饱和光电流光谱法。在二能级模型的基础上,从实验上首次测定放电管中Ne原子的1S_5—4d″_1两能级间的双光子吸收截面,与理论计算结果颇为一致。
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| 关 键 词： | 双光子吸收 吸收截面 饱和吸收 |
Experimental Determination of the Two-Photon Absorption Cross Section of Ne |
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| Zhou Dajun,Xie Hanwei,Yu Zhenxin Institute rfo Laser and Spectorscopy.Experimental Determination of the Two-Photon Absorption Cross Section of Ne[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,1991,30(1):34-39. |
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| Authors: | Zhou Dajun Xie Hanwei Yu Zhenxin Institute rfo Laser and Spectorscopy |
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| Institution: | Zhou Dajun;Xie Hanwei;Yu Zhenxin Institute rfo Laser and Spectorscopy |
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| Abstract: | A new method that uses saturated optogalvanic spectroscopy to measure two-photon absorption cross section of atoms and molecules is presented. The two-photon absorption cross section of 1s_5-4d"_1 transition in Ne in a discharge tubehas for the first time been determinated experimentally. The experimental resultsare in agreement, with theoretical ones, obtained based on a two-level model. |
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| Keywords: | two-photon absorption absorption cross section saturated absorption |
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