Immunity to Laser Power Variation in a DFB Diode Laser Based Optical Gas Sensor Using a Division Process
Abstract
:1. Introduction
2. RAM Suppression in WMS Detection
2.1. Harmonic Signals Analysis
2.2. Improvement Test with the Division Process
Normalized Features | Single Beam | Division Process |
---|---|---|
Bias | 38.70% | 1.20% |
Baseline Difference | 2.70% | 0.69% |
Asymmetry | 15.40% | 0.22% |
3. Laser Power Instability Suppression in WMS Detection
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Chang, H.; Chang, J.; Huang, Q.; Wang, Q.; Tian, C.; Wei, W.; Liu, Y. Immunity to Laser Power Variation in a DFB Diode Laser Based Optical Gas Sensor Using a Division Process. Sensors 2015, 15, 9582-9591. https://doi.org/10.3390/s150409582
Chang H, Chang J, Huang Q, Wang Q, Tian C, Wei W, Liu Y. Immunity to Laser Power Variation in a DFB Diode Laser Based Optical Gas Sensor Using a Division Process. Sensors. 2015; 15(4):9582-9591. https://doi.org/10.3390/s150409582
Chicago/Turabian StyleChang, Hengtai, Jun Chang, Qingjie Huang, Qiang Wang, Changbin Tian, Wei Wei, and Yuanyuan Liu. 2015. "Immunity to Laser Power Variation in a DFB Diode Laser Based Optical Gas Sensor Using a Division Process" Sensors 15, no. 4: 9582-9591. https://doi.org/10.3390/s150409582