Min Zhang, Jian Fang, Yong Wang, Wenxiong Mo, Fangzhou Hao, Fan Yang, Xiang Lin. Research on Tunable Diode Laser Absorption Spectroscopy Background Signal Drift Correction[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1330003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 13, 1330003 (2022)
Fig. 1. Background signal changes with time
Fig. 2. Diagram of experimental setup
Fig. 3. Target background signal and background signal obtained by searching
Fig. 4. Calibration of gas volume fraction and 2f peak signal
Fig. 5. Gas volume fractions obtained by different methods
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Table 1. Spectral parameters of two absorption lines of NO around 5.18
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