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In order to improve the inversion precision of CO2 lidar, the fine structure in CO2 absorption spectrum (at around 1.572 m) has been detected accurately, with tunable diode laser absorption spectroscopy (TDLAS) technique in a double beam differential system. Differences between absorption spectra were analyzed. The five kinds of pressure-broadened coefficients and absorption cross sections are obtained respectively at 287, 297, 311, 315 and 324 K. The temperature-dependent exponents of CO2 are also calculated, these parameters would be a series of corrections and supplements for the existing database. These results may help improve the detection capability of CO2 lidar.
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Keywords:
- atmospheric optics /
- absorption spectrum of CO2 /
- lidar /
- the differential system of double optical path
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[1] Barron E J, Washington W M 1985 Geophysical Monograph Series 32 546
[2] [3] Finzi A C, Moore D J P, DeLucia E H, Lichter J, Hofmockel K S, Jackson R B, Kim H S, Matamala R, McCarthy H R, Oren R, Pippen J S, Schlesinger W H 2006 Ecological Society of America 87 15
[4] [5] Zhang Y C, Shao S S, Tan K, Hu H L, Hong G L, Zhao Y F 2006 Acta Phys. Sin. 55 987 (in Chinese)[张寅超, 邵石生, 谭锟, 胡欢陵, 洪光烈, 赵曰峰 2006 55 987]
[6] [7] Wang Z Y, Li H Y, Zhou S K 2001 Physics 3 0 (in Chinese)[王振亚, 李海洋, 周士康 2001 物理 3 0]
[8] Zhao P T, Zhang Y C, Wang L, Hu S X, Su J, Cao K F, Zhao Y F, Hu H L 2008 Chin. Phys. B 17 335
[9] [10] Mao J, Kawa S R 2004 Appl. Opt. 43 914
[11] [12] Nakamichi S, Kawaguchi Y, Fukuda H, Enami S, Hashimoto S, Kawasaki M, Umekawa T, Morino T, Suto H, Inoue G 2006 Physical Chemistry Chemical Physics 8 364
[13] [14] [15] Amediek A, Fix A, Ehret G, Durand Y 2009 Atmospheric Measurement Techniques Discussions 2 1487
[16] Humlček J 1982 J. Quant. Spectrosc. Radiat. Transfer 27 437
[17] [18] Bragg S L, Lawton S A, Wiswall C E 1985 Optics Letters 10 321
[19] [20] [21] Wu C J, Yuan Y Q, Cao B L, Ma Z J, Gong Z B 2003 High Power Laser and Particle Beams 15 9 (in Chinese)[邬承就, 袁怿谦, 曹百灵, 马志军, 龚知本 2003 强激光与粒子束 15 9]
[22] Joly L, Gibert F, Grouiez B, Grossela A, Parvittea B, Durrya G, Zninaria V 2008 J. Quant. Spectrosc. Radiat. Transfer 109 426
[23] [24] Rgalia-Jarlot L, Zninari V, Parvitte B, Grossel A, Thomas X, Heyden P V D, Durry G 2006 J. Quant. Spectrosc. Radiat. Transfer101 325
[25] [26] [27] Lv X J, Wen C S, Li N 2012 Acta Phys. Sin. 61 234205 (in Chinese)[吕晓静, 翁春生, 李宁 2012 61 234205]
[28] [29] Cai X C, Hu Y H, Tao X H, Hu G L, Zhao N X, Lei W H 2007 Laser Technology 31 515 (in Chinese)[蔡晓春, 胡以华, 陶小红, 胡桂兰, 赵楠翔, 雷武虎 2007 激光技术 31 515]
[30] [31] Hong G L, Zhang Y C, Hu S X 2004 Journal of Infrared and Millimeter Waves 23 384 (in Chinese)[洪光烈, 张寅超, 胡顺星 2004 红外与毫米波学报 23 384]
[32] Ma X, Lin H, Ma Y Y, Gong W 2013 Acta Optica Sinica 32 17 (in Chinese)[马昕, 林宏, 马盈盈, 龚威 2013 光学学报 32 17]
[33] [34] Dsmtroder W (translated by Ji Y) 2012 Laser Spectroscopy (Vol. 1) (Beijing: Science press) p33 (in Chinese)[戴姆特瑞德 W 著 (姬扬译) 2012激光光谱学(第1卷)(北京:科学出版社)第33页]
[35] [36] [37] Bragg S L, Kelley J D 1987 Appl Opt 26 506
[38] Shen C, Zhang C, Ni J Z 2013 Infrared 33 1(in Chinese)[沈超, 张玉钧, 倪家正 2013 红外 33 1]
[39] [40] [41] Lu T X, Lu Z Q 2006 The Theory and Application of Laser Spectroscopy (Hefei: University of Science Technology of China press) p133 (in Chinese)[陆同兴, 路秩群 2006 激光光谱技术原理及应用(合肥:中国科学技术大学出版社) 第133 页]
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