SELF-BROADENING AND N2O4 AND CO2 FOREIGN GAS BROADENING QF NO2 BY LASER MAGNETIC RESONANCE

Chinese Journal of Magnetic Resonance ›› 1991, Vol. 8 ›› Issue (3): 261-266.

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SELF-BROADENING AND N₂O₄ AND CO₂ FOREIGN GAS BROADENING QF NO₂ BY LASER MAGNETIC RESONANCE

Liu Yuyan¹, Li Fengyan¹, Li finrui¹, He Kuanglin¹, Gong Benzi¹, Liu Zhuan¹, Chen Yangqin²

1. Wuhan Institute of Physics, the Chinese Academy of Sciences Wuhan 430071;
2. Shanghai Intitute of Laser Technology Shanghai

Received:1990-08-04 Revised:1990-10-05 Published:1991-09-05 Online:2018-01-20

Abstract

Abstract: Laser magnetic resonance (LMR) spectroscopy technique was used to study the linewidth and pressure broadening of the spectral lines of v₃ band of NO₂. The pressure broadening coefficients γ_{NO₂-NO₂N₂O₄CO₂}⁰ were determined to be 5.8±.6,1.8±.4,1.7±.4MHz/Torr (HWHM) at 275K respectively. The obtaining of these linewidth parameters is of considerable importance to the air pollution monitoring of NO₂.

Key words: Pressure broadening, NO₂, N₂O₄, CO₂, Laser magnetic resonance

Liu Yuyan, Li Fengyan, Li finrui, He Kuanglin, Gong Benzi, Liu Zhuan, Chen Yangqin. SELF-BROADENING AND N₂O₄ AND CO₂ FOREIGN GAS BROADENING QF NO₂ BY LASER MAGNETIC RESONANCE[J]. Chinese Journal of Magnetic Resonance, 1991, 8(3): 261-266.

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SELF-BROADENING AND N₂O₄ AND CO₂ FOREIGN GAS BROADENING QF NO₂ BY LASER MAGNETIC RESONANCE

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