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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Laser Absorption Spectroscopy of H2O in the 12...

Laser Absorption Spectroscopy of H₂O in the 12 252-12 312 cm^-1Region Using Herriott-Type Cell

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Abstract:

We study the absorption spectra of water vapor by the 899-29 Ti:sapphire laser in the region between 12 252-12 312 cm^-1. Due to the weak absorption of H₂O, a folded multi-pass optical path cell of Herriott-type is used to increase the sensitivity of detection. Totally, forty-three lines with intensity ranging around 10^-24cm^-1/molecule are recorded and the centre frequency of transitions is derived by fitting observed lines using Voigt profile.

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Advances in Environmental Technologies III

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

1456-1461

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.1456

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Online since:

June 2014

Authors:

Gen Ping Lu, Wei Xin Shi, Ying Fa Wu, Chuan Liang Li*, Xuan Bing Qiu, Ji Lin Wei

Keywords:

Herriott-Type Cell, Laser Absorption Spectroscopy, Pressure-Broadening

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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