The self-broadened, isolated CO2 spectral line shape investigation
| Parent link: | Proceedings of SPIE Vol. 9292 : Atmospheric and Ocean Optics: Atmospheric Physics.— 2014.— [929203, 6 р.] |
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| Corporate Author: | |
| Other Authors: | , , , |
| Summary: | Title screen The measurements of "isolated" CO2 line (6231.6 cm-1) absorption spectra in wide pressure range from 2 to 1000 mbar were performed on 3-channel high-resolution diode laser spectrometer. 4 theoretical models used for the description of lineshape contour: usual Voigt, Hard-collisional (Rautian), Soft-collisional (Galatry), and Speed-dependent Voigt (Boone). LabView based software used for the testing of current lineshape models. This software performed the nonlinear least-squares fit of the model spectrum to the experimental spectra recorded at each pressure individually. The detailed research of weak lines influence to the retrieved parameters of "isolated" CO2 (6231.6 cm-1, R4 band 30013- 00001) is provided. It is shown that the use of Rautian and Galatry lineshape models leads to a significant deviation from linear of the narrowing coefficient pressure dependence while coming to the high pressures range. Most appropriate for the common description of whole experimental spectra in entire range of pressures (up to 1000 mbar) is the Speed- Dependent (Boone) profile. Режим доступа: по договору с организацией-держателем ресурса |
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2014
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| Subjects: | |
| Online Access: | https://doi.org/10.1117/12.2075282 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=667402 |
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| 200 | 1 | |a The self-broadened, isolated CO2 spectral line shape investigation |f K. Yu. Osipov, V. A. Kapitanov, A. E. Protasevich, Ya. Ya. Ponurovsky | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a The measurements of "isolated" CO2 line (6231.6 cm-1) absorption spectra in wide pressure range from 2 to 1000 mbar were performed on 3-channel high-resolution diode laser spectrometer. 4 theoretical models used for the description of lineshape contour: usual Voigt, Hard-collisional (Rautian), Soft-collisional (Galatry), and Speed-dependent Voigt (Boone). LabView based software used for the testing of current lineshape models. This software performed the nonlinear least-squares fit of the model spectrum to the experimental spectra recorded at each pressure individually. The detailed research of weak lines influence to the retrieved parameters of "isolated" CO2 (6231.6 cm-1, R4 band 30013- 00001) is provided. It is shown that the use of Rautian and Galatry lineshape models leads to a significant deviation from linear of the narrowing coefficient pressure dependence while coming to the high pressures range. Most appropriate for the common description of whole experimental spectra in entire range of pressures (up to 1000 mbar) is the Speed- Dependent (Boone) profile. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Proceedings of SPIE | ||
| 463 | |t Vol. 9292 : Atmospheric and Ocean Optics: Atmospheric Physics |o proceedings 20th International Symposium, 23-27 June 2014, Novosibirsk |v [929203, 6 р.] |d 2014 | ||
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| 701 | 1 | |a Osipov |b K. Yu. |c specialist in the field of electrical engineering |c Engineer of Tomsk Polytechnic University, Candidate of technical sciences |f 1979- |g Konstantin Yuryevich |3 (RuTPU)RU\TPU\pers\32195 | |
| 701 | 1 | |a Kapitanov |b V. A. |g Venedikt Andreevich | |
| 701 | 1 | |a Protasevich |b A. E. |g Aleksandr Evgenjevich | |
| 701 | 1 | |a Ponurovsky |b Ya. Ya. |g Yakov Yakovlevich | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Энергетический институт (ЭНИН) |b Лаборатория моделирования процессов тепломассопереноса (ЛМПТ) |3 (RuTPU)RU\TPU\col\19906 |
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