[Analysis of gas absorption coefficient at various pressures]

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[Analysis of gas absorption coefficient at various pressures] Abstract Text:

Wei-guang Ma,Wang-bao Yin,Tao Huang,Yan-ting Zhao,Chang-yong Li,Suo-tang Jia,

The absorption coefficient alpha(v) of gas plays an important role in quantitative analysis of pollution gases and theoretical investigation of molecular parameter. In this paper we first analyze alpha(v) theoretically and present a calculation method. Then we analyze 2v3 band R3 manifold of pure CH4 and draw a conclusion that alpha(v0) decreases and the peak absorption kappa(v0) increases with increasing the pressure. When the pressure is <0.03 and >2 atm, we can calculate alpha(v0) using the Gaussian profile and Lorentzian profile respectively, and then analyze the relative error. Finally we analyze the peak absorption kappa(v0) at various pressures, then define the high-resolution area and high-sensitive area respectively when the pressure is <0.01 and >1 atm.

[Analysis of gas absorption coefficient at various pressures] Publishing Authors By Initials

WG Ma,WB Yin,T Huang,YT Zhao,CY Li,ST Jia,

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[Analysis of gas absorption coefficient at various pressures] Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Guang pu xue yu guang pu fen xi = Guang pu

VOLUME: 24

Page Numbers: 135-7

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ISSN: 1000-0593

DAY: 16

MONTH: Feb

YEAR: 2004

[Analysis of gas absorption coefficient at various pressures] Information

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LANGUAGE: chi

NlmUniqueID: 9424805

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AFFILIATION: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Department of Electronics & Information Technology, Shanxi University, Taiyuan 030006, China.

Country: China

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MEDLINETA: Guang Pu Xue Yu Guang Pu Fen X

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