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首页> 外文期刊>Chemical Physics Letters >High-resolution Fourier-transform intra-cavity laser absorption spectroscopy: application to (C2H2)-C-12 near 12 300 cm(-1)
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High-resolution Fourier-transform intra-cavity laser absorption spectroscopy: application to (C2H2)-C-12 near 12 300 cm(-1)

机译：高分辨率傅里叶变换腔内激光吸收光谱：在（C2H2）-C-12在12300 cm（-1）附近的应用

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The capabilities of intra-cavity laser absorption spectroscopy associated with a high-resolution Fourier-transform spectrometer (FT-ICLAS) are investigated with a Ti:Sapphire laser. Weak absorption lines of atmospheric water were used to test the accuracy of absolute intensity measurements by FT-ICLAS leading to an excellent agreement (a few %) with the HITRAN data. The performances in terms of spectral resolution (0.028 cm(-1)) and sensitivity (2 x 10(-9) cm(-1)) are illustrated by the spectroscopic study of the overtone spectrum of (C2H2)-C-12 between 12250 and 12400 cm(-1) which allowed for a significant improvement of recent cavity ring-down measurements. Among the three Pi-Sigma bands rotationally analyzed, one is newly observed. The absolute intensity values of the bands are given. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 22]
机译：利用钛蓝宝石激光器研究了与高分辨率傅立叶变换光谱仪（FT-ICLAS）相关的腔内激光吸收光谱的功能。大气水的弱吸收线用于测试FT-ICLAS绝对强度测量的准确性，从而与HITRAN数据达成了极佳的一致性（百分之几）。光谱分辨率（0.028 cm（-1））和灵敏度（2 x 10（-9）cm（-1））的性能由（C2H2）-C-12泛音光谱的光谱研究表明12250和12400 cm（-1）可以显着改善最近的腔衰荡测量。旋转分析的三个Pi-Sigma波段中，有一个是新观察到的。给出了频带的绝对强度值。 （C）2003 Elsevier Science B.V.保留所有权利。 [参考：22]

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