Line intensity measurements of methane’s v3-band using a cw-OPO

Marco P. Moreno; Malo Cadoret; Mohammad Jahjah; Linh Nguyen; Flavio C. Cruz; Jean Jacques Zondy

doi:10.1007/s00340-014-5883-1

Line intensity measurements of methane’s v₃-band using a cw-OPO

Marco P. Moreno, Malo Cadoret, Mohammad Jahjah, Linh Nguyen, Flavio C. Cruz, Jean Jacques Zondy

Department of Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We report on absolute line strength measurements of P(1), R(0) and R(1) singlet lines in the 3.3μm ν₃ (C–H stretching) band of methane ¹²CH₄ at reference temperature T = K. Line strength measurements are performed at low pressure P ≤1 Torr) using direct absorption spectroscopy technique based on a widely tunable continuous-wave singly resonant optical parametric oscillator. The 1σ overall accuracy in line strength determinations ranges between 7 and 8 % mostly limited by pressure and frequency measurements. A comparison with previous reported values is made. Our results show good agreement with the HITRAN 2012 database.

Original language	English
Pages (from-to)	681-687
Number of pages	7
Journal	Applied Physics B: Lasers and Optics
Volume	117
Issue number	2
DOIs	https://doi.org/10.1007/s00340-014-5883-1
Publication status	Published - 2014

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)
Physics and Astronomy(all)

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title = "Line intensity measurements of methane{\textquoteright}s v3-band using a cw-OPO",

abstract = "We report on absolute line strength measurements of P(1), R(0) and R(1) singlet lines in the 3.3μm ν3 (C–H stretching) band of methane 12CH4 at reference temperature T = K. Line strength measurements are performed at low pressure P ≤1 Torr) using direct absorption spectroscopy technique based on a widely tunable continuous-wave singly resonant optical parametric oscillator. The 1σ overall accuracy in line strength determinations ranges between 7 and 8 % mostly limited by pressure and frequency measurements. A comparison with previous reported values is made. Our results show good agreement with the HITRAN 2012 database.",

author = "Moreno, {Marco P.} and Malo Cadoret and Mohammad Jahjah and Linh Nguyen and Cruz, {Flavio C.} and Zondy, {Jean Jacques}",

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T1 - Line intensity measurements of methane’s v3-band using a cw-OPO

AU - Moreno, Marco P.

AU - Cadoret, Malo

AU - Jahjah, Mohammad

AU - Nguyen, Linh

AU - Cruz, Flavio C.

AU - Zondy, Jean Jacques

PY - 2014

Y1 - 2014

N2 - We report on absolute line strength measurements of P(1), R(0) and R(1) singlet lines in the 3.3μm ν3 (C–H stretching) band of methane 12CH4 at reference temperature T = K. Line strength measurements are performed at low pressure P ≤1 Torr) using direct absorption spectroscopy technique based on a widely tunable continuous-wave singly resonant optical parametric oscillator. The 1σ overall accuracy in line strength determinations ranges between 7 and 8 % mostly limited by pressure and frequency measurements. A comparison with previous reported values is made. Our results show good agreement with the HITRAN 2012 database.

AB - We report on absolute line strength measurements of P(1), R(0) and R(1) singlet lines in the 3.3μm ν3 (C–H stretching) band of methane 12CH4 at reference temperature T = K. Line strength measurements are performed at low pressure P ≤1 Torr) using direct absorption spectroscopy technique based on a widely tunable continuous-wave singly resonant optical parametric oscillator. The 1σ overall accuracy in line strength determinations ranges between 7 and 8 % mostly limited by pressure and frequency measurements. A comparison with previous reported values is made. Our results show good agreement with the HITRAN 2012 database.

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