Measurement and analysis of rotational lines in the (2v1 + v2 + v3) overtone band of H2O perturbed by CO2 using near infrared diode laser spectroscopy

被引：5

作者：

Poddar, Priyanka ^{[2
]}

Bandyopadhyay, Amitava ^{[2
]}

Biswas, Debasish ^{[1
]}

Ray, Biswajit ^{[2
]}

Ghosh, Pradip N. ^{[1
]}

机构：

[1] Jadavpur Univ, Kolkata 700032, W Bengal, India

[2] Univ Calcutta, Dept Phys, Kolkata 700009, W Bengal, India

来源：

CHEMICAL PHYSICS LETTERS | 2009年 / 469卷 / 1-3期

关键词：

DIODE-LASER SPECTROSCOPY; WATER-VAPOR; BROADENING PARAMETERS; WAVELENGTH REGION; H2O-CO2; MIXTURES; MU-M; H2O; TEMPERATURE; BAND; NM;

D O I：

10.1016/j.cplett.2008.12.074

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the CO2-induced broadening coefficients and line strength parameters of water vapor rovibrational transitions belonging to the (2v(1) + v(2) + v(3)) overtone band measured by using an NIR diode laser spectrometer. Rotational quantum number dependence of the broadening coefficients is also shown. Use of balanced photodetector and wavelength modulation spectroscopy with small current modulation amplitude helped to obtain improved S/N ratio of the spectra. The recorded line shapes are fitted with standard Voigt profile by using a non-linear least squares fitting program to extract the line shape parameters. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：52 / 56

页数：5

共 29 条

[1] DIODE-LASER MEASUREMENTS OF TEMPERATURE-DEPENDENT LINE PARAMETERS FOR WATER-VAPOR NEAR 820-NM [J].

ADLERGOLDEN, S ;

LEE, J ;

GOLDSTEIN, N .

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1992, 48 (5-6) :527-535

[2]

Allen M.G., 2002, Applied Combustion Diagnostics, P479

[3] Diode laser absorption sensors for gas-dynamic and combustion flows [J].

Allen, MG .

MEASUREMENT SCIENCE AND TECHNOLOGY, 1998, 9 (04) :545-562

[4] On line shape measurement and simulation of rovibrational transitions of water vapour in the near infrared region [J].

Bandyopadhyay, A ;

Ray, A ;

Ray, B ;

Ghosh, PN .

CHEMICAL PHYSICS LETTERS, 2005, 401 (1-3) :135-139

[5] Diode laser spectroscopic measurements and theoretical calculations of line parameters of nitrogen-broadened water vapor overtone transitions in the 818-834 nm wavelength region [J].

Bandyopadhyay, Amitava ;

Ray, Biswajit ;

Ghosh, Pradip N. ;

Niles, Danielle L. ;

Gamache, Robert R. .

JOURNAL OF MOLECULAR SPECTROSCOPY, 2007, 242 (01) :10-16

[6] Rotation-vibration spectrum of water vapor [J].

Baumann, W. ;

Mecke, R. .

ZEITSCHRIFT FUR PHYSIK, 1933, 81 (7-8) :445-464

[7]

BROWELL EV, 1986, P 13 INT LAS RAD C T, P6

[8] CO2-broadened water in the pure rotation and ν2 fundamental regions [J].

Brown, L. R. ;

Humphrey, C. M. ;

Gamache, R. R. .

JOURNAL OF MOLECULAR SPECTROSCOPY, 2007, 246 (01) :1-21

[9] Self-, nitrogen-, and oxygen-broadening coefficient measurements in the ν1 band of H2O using a difference frequency generation spectrometer at 3 μm [J].

Bruno, A ;

Pesce, G ;

Rusciano, G ;

Sasso, A .

JOURNAL OF MOLECULAR SPECTROSCOPY, 2002, 215 (02) :244-250

[10] CO2-BROADENING OF WATER-VAPOR LINES [J].

GAMACHE, RR ;

NESHYBA, SP ;

PLATEAUX, JJ ;

BARBE, A ;

REGALIA, L ;

POLLACK, JB .

JOURNAL OF MOLECULAR SPECTROSCOPY, 1995, 170 (01) :131-151

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