Molecular oxygen detection in low pressure flames using cavity ring-down spectroscopy

A. Goldman; I. Rahinov; S. Cheskis

doi:10.1007/s00340-005-2122-9

Molecular oxygen detection in low pressure flames using cavity ring-down spectroscopy

A. Goldman
, I. Rahinov
, S. Cheskis

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

Abstract

Cavity ring down spectroscopy is used for measurement of the concentration profiles of oxygen in the low pressure (30 Torr) methane/nitrogen/oxygen flames. Three different equivalence ratios are used: 0.8, 1.0 and 1.17. Molecular oxygen concentration is monitored via rotational spectrum of b¹ ∑ _g ⁺ ← X³ ∑ _g ^- (v′ =0-v″ =0) transition, also known as atmospheric A band, located near 750 nm. The P(15)P(15) line is used for concentration measurements. The sensitivity reached is 2.2×10^-8 cm^-1. The concentration profiles are in a good agreement with the ones calculated using GRI-3.0 mechanism.

Original language	English
Pages (from-to)	659-663
Number of pages	5
Journal	Applied Physics B: Lasers and Optics
Volume	82
Issue number	4
DOIs	https://doi.org/10.1007/s00340-005-2122-9
State	Published - Mar 2006
Externally published	Yes

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abstract = "Cavity ring down spectroscopy is used for measurement of the concentration profiles of oxygen in the low pressure (30 Torr) methane/nitrogen/oxygen flames. Three different equivalence ratios are used: 0.8, 1.0 and 1.17. Molecular oxygen concentration is monitored via rotational spectrum of b1 ∑ g + ← X3 ∑ g - (v′ =0-v″ =0) transition, also known as atmospheric A band, located near 750 nm. The P(15)P(15) line is used for concentration measurements. The sensitivity reached is 2.2×10-8 cm-1. The concentration profiles are in a good agreement with the ones calculated using GRI-3.0 mechanism.",

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AU - Cheskis, S.

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N2 - Cavity ring down spectroscopy is used for measurement of the concentration profiles of oxygen in the low pressure (30 Torr) methane/nitrogen/oxygen flames. Three different equivalence ratios are used: 0.8, 1.0 and 1.17. Molecular oxygen concentration is monitored via rotational spectrum of b1 ∑ g + ← X3 ∑ g - (v′ =0-v″ =0) transition, also known as atmospheric A band, located near 750 nm. The P(15)P(15) line is used for concentration measurements. The sensitivity reached is 2.2×10-8 cm-1. The concentration profiles are in a good agreement with the ones calculated using GRI-3.0 mechanism.

AB - Cavity ring down spectroscopy is used for measurement of the concentration profiles of oxygen in the low pressure (30 Torr) methane/nitrogen/oxygen flames. Three different equivalence ratios are used: 0.8, 1.0 and 1.17. Molecular oxygen concentration is monitored via rotational spectrum of b1 ∑ g + ← X3 ∑ g - (v′ =0-v″ =0) transition, also known as atmospheric A band, located near 750 nm. The P(15)P(15) line is used for concentration measurements. The sensitivity reached is 2.2×10-8 cm-1. The concentration profiles are in a good agreement with the ones calculated using GRI-3.0 mechanism.

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Molecular oxygen detection in low pressure flames using cavity ring-down spectroscopy

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