Dongyu Li, Zhen Huang, Chaoxuan Li, Zhenghe Zhang, Tingting Zhang, Bing Xu, Xiao Jin, Deng Wang, Xuping Liu, Qinghua Li, Jianhong Zheng. Glucose Concentration Sensing Based on Orthogonal Reflection Multiple Polarization Rotation Effect[J]. Laser & Optoelectronics Progress, 2022, 59(21): 2130001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 21, 2130001 (2022)
Fig. 1. Schematic of orthogonal mirror structure
Fig. 2. Schematic of polarization components. (a) Incident light, refracted light, and reflected light; (b) polarization components of incident light at the incident plane
Fig. 3. Principle diagram of orthogonal reflection multiple polarization for glucose concentration measurement
Fig. 4. Relationship between phase difference ψn of reference arm and measurement arm signal with the primary rotation angle βs
Fig. 5. Physical diagram of orthogonal reflection multiple polarization for glucose concentration measurement
Fig. 6. Linear fitting curves between phase difference ψn and solution concentration C
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Table 1. Phase difference ψn corresponding to different concentrations
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Table 2. Relative errors of the glucose concentration measurement
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