Xing-yuan TONG, Xiao-guang YAN, Dong CHEN. Orthogonal Phase Detection Method of Light-addressable Potentiometric Sensor[J]. Acta Photonica Sinica, 2020, 49(4): 0423002
- Acta Photonica Sinica
- Vol. 49, Issue 4, 0423002 (2020)
Fig. 1. The circuit model of LAPS
Fig. 2. The block diagram of LAPS orthogonal phase detection system
Fig. 3. The block diagram of the orthogonal phase detection
Fig. 4. Flowchart of LAPS detection
Fig. 5. Detection results of pH by LAPS
Fig. 6. Curve local magnification diagram
Fig. 7. The effect of weakening light intensity on I-V and P-V characteristic curve
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Table 1. Comparison of the two modes to the noise suppression capability
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