Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence

Zheng Hai Yang; Yong Cheng Yang; Lian Zhong Deng; Jian Ping Yin

doi:10.1088/1674-1056/27/10/100601

Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence

Zheng Hai Yang
, Yong Cheng Yang
, Lian Zhong Deng^*
, Jian Ping Yin

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

East China Normal University

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

4 Scopus citations

Abstract

The absolute number density of nitrogen dioxide (NO₂) seeded in argon is measured with cavity-enhanced laserinduced fluorescence (CELIF) through using a pulsed laser beam for the first time. The cavity ring down (CRD) signal is acquired simultaneously and used for normalizing the LIF signal and determining the relationship between the measured CELIF signal and the NO₂ number density. The minimum detectable NO₂ density down to (3.6±0.1) × 10⁸ cm^-3 is measured in 60 s of acquisition time by the CELIF method. The minimum absorption coefficient is measured to be (2.0±0.1)×10^-10 cm^-1, corresponding to a noise equivalent absorption sensitivity of (2.2±0.1)×10^-9 cm^-1Hz^-1/2. The experimental system demonstrated here can be further improved in its sensitivity and used for environmental monitoring of outdoor NO₂ pollution.

Original language	English
Article number	100601
Journal	Chinese Physics B
Volume	27
Issue number	10
DOIs	https://doi.org/10.1088/1674-1056/27/10/100601
State	Published - 2018

Keywords

cavity ring down (CRD)
cavity-enhanced laser-induced fluorescence (CELIF)

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10.1088/1674-1056/27/10/100601

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title = "Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence",

abstract = "The absolute number density of nitrogen dioxide (NO2) seeded in argon is measured with cavity-enhanced laserinduced fluorescence (CELIF) through using a pulsed laser beam for the first time. The cavity ring down (CRD) signal is acquired simultaneously and used for normalizing the LIF signal and determining the relationship between the measured CELIF signal and the NO2 number density. The minimum detectable NO2 density down to (3.6±0.1) × 108 cm-3 is measured in 60 s of acquisition time by the CELIF method. The minimum absorption coefficient is measured to be (2.0±0.1)×10-10 cm-1, corresponding to a noise equivalent absorption sensitivity of (2.2±0.1)×10-9 cm-1Hz-1/2. The experimental system demonstrated here can be further improved in its sensitivity and used for environmental monitoring of outdoor NO2 pollution.",

keywords = "cavity ring down (CRD), cavity-enhanced laser-induced fluorescence (CELIF)",

author = "Yang, \{Zheng Hai\} and Yang, \{Yong Cheng\} and Deng, \{Lian Zhong\} and Yin, \{Jian Ping\}",

note = "Publisher Copyright: {\textcopyright} 2018 Chinese Physical Society and IOP Publishing Ltd.",

year = "2018",

doi = "10.1088/1674-1056/27/10/100601",

language = "英语",

volume = "27",

journal = "Chinese Physics B",

issn = "1674-1056",

publisher = "Institute of Physics",

number = "10",

}

TY - JOUR

T1 - Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence

AU - Yang, Zheng Hai

AU - Yang, Yong Cheng

AU - Deng, Lian Zhong

AU - Yin, Jian Ping

PY - 2018

Y1 - 2018

N2 - The absolute number density of nitrogen dioxide (NO2) seeded in argon is measured with cavity-enhanced laserinduced fluorescence (CELIF) through using a pulsed laser beam for the first time. The cavity ring down (CRD) signal is acquired simultaneously and used for normalizing the LIF signal and determining the relationship between the measured CELIF signal and the NO2 number density. The minimum detectable NO2 density down to (3.6±0.1) × 108 cm-3 is measured in 60 s of acquisition time by the CELIF method. The minimum absorption coefficient is measured to be (2.0±0.1)×10-10 cm-1, corresponding to a noise equivalent absorption sensitivity of (2.2±0.1)×10-9 cm-1Hz-1/2. The experimental system demonstrated here can be further improved in its sensitivity and used for environmental monitoring of outdoor NO2 pollution.

AB - The absolute number density of nitrogen dioxide (NO2) seeded in argon is measured with cavity-enhanced laserinduced fluorescence (CELIF) through using a pulsed laser beam for the first time. The cavity ring down (CRD) signal is acquired simultaneously and used for normalizing the LIF signal and determining the relationship between the measured CELIF signal and the NO2 number density. The minimum detectable NO2 density down to (3.6±0.1) × 108 cm-3 is measured in 60 s of acquisition time by the CELIF method. The minimum absorption coefficient is measured to be (2.0±0.1)×10-10 cm-1, corresponding to a noise equivalent absorption sensitivity of (2.2±0.1)×10-9 cm-1Hz-1/2. The experimental system demonstrated here can be further improved in its sensitivity and used for environmental monitoring of outdoor NO2 pollution.

KW - cavity ring down (CRD)

KW - cavity-enhanced laser-induced fluorescence (CELIF)

UR - https://www.scopus.com/pages/publications/85055483703

U2 - 10.1088/1674-1056/27/10/100601

DO - 10.1088/1674-1056/27/10/100601

M3 - 文章

AN - SCOPUS:85055483703

SN - 1674-1056

VL - 27

JO - Chinese Physics B

JF - Chinese Physics B

IS - 10

M1 - 100601

ER -

Absolute density measurement of nitrogen dioxide with cavity-enhanced laser-induced fluorescence

Abstract

Keywords

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