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  • Received: Aug. 4, 2019

    Accepted: Nov. 7, 2019

    Posted: Jan. 7, 2020

    Published Online: Jan. 13, 2020

    The Author Email: Fei Wang (wangfei@zju.edu.cn)

    DOI: 10.3788/COL202018.021201

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    Jieshu Zou, Fei Wang. Simultaneous measurement of SO2 and NO2 concentration using an optical fiber-based LP-DOAS system[J]. Chinese Optics Letters, 2020, 18(2): 021201

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I(λ)=I0(λ)·exp[σ(λ)·c·L],(1)

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I(λ)=I0(λ)·exp{L·[jσj(λ,p,T)·cj+ϵR(λ)+ϵM(λ)]},(2)

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σj(λ)=σj0(λ)+σj(λ),(3)

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I0(λ)=I0(λ)·exp{L·[jσj0(λ,p,T)·cj+ϵR(λ)+ϵM(λ)]}.(4)

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D=lnI0(λ)I(λ)=L·jσj(λ,p,T)·cj,(5)

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cSO2=fSO2fSO2+fNO2+fN2CSO2,(6)

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cNO2=fNO2fSO2+fNO2+fN2CNO2,(7)

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