| 傅立叶变换激光腔内吸收光谱方法研究吸收谱线的强度与线形 |
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| 作者单位： | 中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026;中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026;中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026;中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026;中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026;中国科学技术大学,中国科学院选键化学重点实验室,合肥,230026 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | ![]()
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| 关 键 词： | 吸收光谱 谱线线形 谱线强度 激光腔内吸收 磷烷 |
Absorption Line Intensity and Profile Studied by Fourier Transform Intra-cavity Laser Absorption Spectroscopy |
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| Wu Zhiyong,Cheng Guosheng,Wang Le,Liu Anwen,Hao Luyuan,Hu Shuiming. Absorption Line Intensity and Profile Studied by Fourier Transform Intra-cavity Laser Absorption Spectroscopy[J]. Chinese Journal of Chemical Physics, 2005, 18(3): 313-318. DOI: 10.1088/1674-0068/18/3/313-318 |
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| Authors: | Wu Zhiyong Cheng Guosheng Wang Le Liu Anwen Hao Luyuan Hu Shuiming |
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| Abstract: | ![]()
Based on Fourier-transform intra-cavity laser absorption spectroscopy (FT-ICLAS) setup reported, a signal differential module is introduced to reduce the noise rising from the fluctuation of the laser power and to improve the quality of the interferogram obtained in the experiment. The capability to do quantitative measurement was demonstrated by recording the atmospheric oxygen absorption near 760 nm. The v=6 local mode stretching overtone spectra of phosphine were recorded with different sample pressure. The pressure caused self-broadening and line shift parameters of this band were achieved. |
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| Keywords: | Absorption spectroscopy Spectral line profile Line intensity Intra-cavity laser absorption Phosphine |
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