Buffer-gas pressure broadening for the (3 0(0) 1)III <-- (0 0 0) band of CO2 measured with continuous-wave cavity ring-down spectroscopy.

Buffer-gas pressure broadening for the (3 0(0) 1)III <-- (0 0 0) band of CO2 measured with continuous-wave cavity ring-down spectroscopy.
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DOI:
10.1039/b511772k
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发表时间:
2006-01
期刊:
Physical chemistry chemical physics : PCCP
影响因子:
--
通讯作者:
Shinji Nakamichi;Y. Kawaguchi;Hisato Fukuda;Shinichi Enami;S. Hashimoto;M. Kawasaki;Toyofumi Umekawa;I. Morino;H. Suto;G. Inoue
Shinji Nakamichi;Y. Kawaguchi;Hisato Fukuda;Shinichi Enami;S. Hashimoto;M. Kawasaki;Toyofumi Umekawa;I. Morino;H. Suto;G. Inoue
中科院分区:
其他
文献类型:
--
作者:
Shinji Nakamichi;Y. Kawaguchi;Hisato Fukuda;Shinichi Enami;S. Hashimoto;M. Kawasaki;Toyofumi Umekawa;I. Morino;H. Suto;G. Inoue

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在263-326 K温度范围内,用连续波腔衰荡光谱研究了CO(2)分子1600 nm波段(30(0)1)(III)<--(000)带的缓冲气体压力展宽.用Voigt函数分析了测量的吸收曲线。压力展宽系数,γ(气体),和温度相关的参数(展宽指数),n,确定了各种缓冲气体:N(2),O(2),He,Ne,Ar,Kr和Ar。随后估计的γ(空气)值为:R(0)为0.096(2),P(8)为0.085(5),P(16)为0.075(2),P(26)为0.070(4),P(38)为0.069(2),单位为cm(-1)atm(-1),其中括号中的数字为一个标准差,单位为引用的最后一位数。对于R(0),n(空气)值为0.77(4),对于P(8),n(空气)值为0.73(11)。
Buffer-gas pressure broadening for the (3 0(0) 1)(III)<--(0 0 0) band of CO(2) in the 1600 nm region was investigated with continuous wave cavity ring-down spectroscopy within the temperature range 263-326 K. The measured absorption profiles were analyzed with Voigt functions. Pressure broadening coefficient, gamma(gas), and the temperature dependent parameter (broadening exponent), n, were determined for a variety of buffer gases: N(2), O(2), He, Ne, Ar, Kr and Xe. gamma(air) values estimated subsequently are 0.096(2) for R(0), 0.085(5) for P(8), 0.075(2) for P(16), 0.070(4) for P(26), and 0.069(2) for P(38) in units of cm(-1) atm(-1), where numbers in parentheses are one standard deviation in units of the last digits quoted. n(air) values are 0.77(4) for R(0), and 0.73(11) for P(8).