H2 Line-mixing coefficients in the ν2 and ν4 bands of PH3 at low temperature

Jamel Salem, Ghislain Blanquet, Muriel Lepère, Hassen Aroui

Research output: Contribution to journalArticle

Abstract

Using a tunable diode-laser spectrometer adapted with a low temperature cell, we have measured the H2 line-mixing coefficients for 21 lines in the QR branch of the ν2 band and in the PP and RP branches of the ν4 band of phosphine (PH3) at low temperature. These coefficients were determined using a multi-pressure fitting procedure that accounts for the apparatus function, the Doppler and the collisional effects. These lines with J values ranging from 2 to 11 and K from 0 to 9 are located in the spectral range from 1016 to 1093cm-1. The variations of these parameters with the temperature, and the ro-vibrational quantum numbers are discussed.

Original languageEnglish
Pages (from-to)34-39
Number of pages6
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume173
DOIs
Publication statusPublished - 1 Apr 2016

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phosphine
laser spectrometers
coefficients
phosphines
quantum numbers
diodes
Temperature
Semiconductor lasers
Spectrometers
cells
temperature

Cite this

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title = "H2 Line-mixing coefficients in the ν2 and ν4 bands of PH3 at low temperature",
abstract = "Using a tunable diode-laser spectrometer adapted with a low temperature cell, we have measured the H2 line-mixing coefficients for 21 lines in the QR branch of the ν2 band and in the PP and RP branches of the ν4 band of phosphine (PH3) at low temperature. These coefficients were determined using a multi-pressure fitting procedure that accounts for the apparatus function, the Doppler and the collisional effects. These lines with J values ranging from 2 to 11 and K from 0 to 9 are located in the spectral range from 1016 to 1093cm-1. The variations of these parameters with the temperature, and the ro-vibrational quantum numbers are discussed.",
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H2 Line-mixing coefficients in the ν2 and ν4 bands of PH3 at low temperature. / Salem, Jamel; Blanquet, Ghislain; Lepère, Muriel; Aroui, Hassen.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 173, 01.04.2016, p. 34-39.

Research output: Contribution to journalArticle

TY - JOUR

T1 - H2 Line-mixing coefficients in the ν2 and ν4 bands of PH3 at low temperature

AU - Salem, Jamel

AU - Blanquet, Ghislain

AU - Lepère, Muriel

AU - Aroui, Hassen

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AB - Using a tunable diode-laser spectrometer adapted with a low temperature cell, we have measured the H2 line-mixing coefficients for 21 lines in the QR branch of the ν2 band and in the PP and RP branches of the ν4 band of phosphine (PH3) at low temperature. These coefficients were determined using a multi-pressure fitting procedure that accounts for the apparatus function, the Doppler and the collisional effects. These lines with J values ranging from 2 to 11 and K from 0 to 9 are located in the spectral range from 1016 to 1093cm-1. The variations of these parameters with the temperature, and the ro-vibrational quantum numbers are discussed.

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