Spectroscopy and Spectral Analysis, Volume. 41, Issue 9, 2945(2021)
Study on the Calibration of Reflectivity of the Cavity Mirrors Used in Cavity Enhanced Absorption Spectroscopy
Figures & Tables(6)
Fig. 1. Absorption spectrum of CO2 and H2O in the range of 5 000~5 005 cm-1
Fig. 3. Absorption of atmospheric CO2 measured in off-axis cavity and multi-pass cell
Fig. 4. Absorption spectrum of actual atmospheric CO2 measured by off-axis cavity
Table 1. The integration area, effective absorption path and reflectivity measured by method Ⅰ
View tableView in ArticleTable 1. The integration area, effective absorption path and reflectivity measured by method Ⅰ
AOA-CAES
/cm-1AMulti-pass cell
/cm-1Leff
/cmR Rave 1 0.107 57 0.010 25 30 228.063 12 0.998 51 0.998 51 2 0.107 90 0.010 33 30 089.793 29 0.998 50 3 0.108 09 0.010 12 30 745.770 84 0.998 54 4 0.108 26 0.010 45 29 841.802 06 0.998 49 5 0.110 08 0.010 45 30 343.483 93 0.998 52 6 0.107 23 0.010 18 30 342.465 55 0.998 52
Table 2. The integration area, and reflectivity measured by method Ⅱ
View tableView in ArticleTable 2. The integration area, and reflectivity measured by method Ⅱ
AOA-CAES/cm-2
[(I0/I)-1/d]R Rave 1 0.002 51 0.998 59 0.998 42 2 0.002 58 0.998 62 3 0.001 84 0.998 07 4 0.001 78 0.998 01 5 0.002 55 0.998 61 6 0.002 59 0.998 63
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Lu-yi WU, Guang-zhen GAO, Xin LIU, Zhen-wei GAO, Xin ZHOU, Xiong YU, Ting-dong CAI. Study on the Calibration of Reflectivity of the Cavity Mirrors Used in Cavity Enhanced Absorption Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2945
Paper Information
Category: Research Articles
Received: Aug. 2, 2020
Accepted: --
Published Online: Oct. 29, 2021
The Author Email: Lu-yi WU (304242237@qq.com)
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