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Using N+2 as the molecular probe, we investigate the ionization behavior of the nitrogen molecule buffered in different rare gases (helium and neon) by optical heterodyne velocity modulation spectroscopy. The spectral intensity of an individual rovibronic line of N+2 is proportional to the product of the velocity modulation index and the concentration of N+2. Therefore, the relative ionization depth can be deduced via measuring the spectral intensity in different buffer gases.
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Keywords:
- velocity modulation /
- modulation depth /
- coefficient of ionization /
- plasma diagnosis
[1] [1]Chen Z Z, Gao S X 1998 Gaseous Conduction (Nanjing: Nanjing Institute of Technology Press) p166 (in Chinese)[陈宗柱、高树香 1998 气体导电 (南京:南京工学院出版社) 第166页]
[2] [2]Yang X H, Chen Y Q, Cai P P, Wang R J, Lu J J 2000 Acta Phys. Sin. 49 421 (in Chinese)[杨晓华、陈扬骎、蔡佩佩、王荣军、卢晶晶 2000 物理学报 49 421]
[3] [3]Gong T L, Yang X H, Li H B, Han L K, Chen Y Q 2004 Acta Phys. Sin. 53 418 (in Chinese)[龚天林、杨晓华、李红兵、韩良恺、陈扬骎 2004 物理学报 53 418]
[4] [4]Chen G L, Yang X H, Ying X P 2004 Chin. Sci. Bull. 49 2354
[5] [5]Gudeman C S, Saykally R J 1984 Ann. Rev. Phys. Chem. 35 387
[6] [6]Yang J J 1983 Gaseous Discharge,1 ed (Beijing: Science Press) p90 (in Chinese)[杨津基 1983气体放电 第一版 (北京:科学出版社) 第90页]
[7] [7]Yang X H, Wang R J, Cai P P 1999 Chin. J. At. Mol. Phys. 16 515 (in Chinese)[杨晓华、王荣军、蔡佩佩 1999 原子与分子物理学报 16 515]
[8] [8]Yang X H, Chen Y Q, Cai P P, Lu J J, Wang R J 1999 Acta Phys. Sin. 48 834 (in Chinese)[杨晓华、陈扬骎、蔡佩佩、卢晶晶、王荣军 1999 物理学报 48 834]
[9] [9]Wu Y D, Ben J W, Li L 2007 Chin. J. Chem. Phys. 20 285
[10] ]Grieman F J, Hansen J C, Moseley J T 1982 Chem.Phys.Lett. 85 53
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[1] [1]Chen Z Z, Gao S X 1998 Gaseous Conduction (Nanjing: Nanjing Institute of Technology Press) p166 (in Chinese)[陈宗柱、高树香 1998 气体导电 (南京:南京工学院出版社) 第166页]
[2] [2]Yang X H, Chen Y Q, Cai P P, Wang R J, Lu J J 2000 Acta Phys. Sin. 49 421 (in Chinese)[杨晓华、陈扬骎、蔡佩佩、王荣军、卢晶晶 2000 物理学报 49 421]
[3] [3]Gong T L, Yang X H, Li H B, Han L K, Chen Y Q 2004 Acta Phys. Sin. 53 418 (in Chinese)[龚天林、杨晓华、李红兵、韩良恺、陈扬骎 2004 物理学报 53 418]
[4] [4]Chen G L, Yang X H, Ying X P 2004 Chin. Sci. Bull. 49 2354
[5] [5]Gudeman C S, Saykally R J 1984 Ann. Rev. Phys. Chem. 35 387
[6] [6]Yang J J 1983 Gaseous Discharge,1 ed (Beijing: Science Press) p90 (in Chinese)[杨津基 1983气体放电 第一版 (北京:科学出版社) 第90页]
[7] [7]Yang X H, Wang R J, Cai P P 1999 Chin. J. At. Mol. Phys. 16 515 (in Chinese)[杨晓华、王荣军、蔡佩佩 1999 原子与分子物理学报 16 515]
[8] [8]Yang X H, Chen Y Q, Cai P P, Lu J J, Wang R J 1999 Acta Phys. Sin. 48 834 (in Chinese)[杨晓华、陈扬骎、蔡佩佩、卢晶晶、王荣军 1999 物理学报 48 834]
[9] [9]Wu Y D, Ben J W, Li L 2007 Chin. J. Chem. Phys. 20 285
[10] ]Grieman F J, Hansen J C, Moseley J T 1982 Chem.Phys.Lett. 85 53
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