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
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 9, 2945 (2021)
Fig. 1. Absorption spectrum of CO2 and H2O in the range of 5 000~5 005 cm-1
Fig. 2. Schematic diagram of experimental system
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
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Table 1. The integration area, effective absorption path and reflectivity measured by method Ⅰ
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Table 2. The integration area, and reflectivity measured by method Ⅱ
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