Dual-parameter sensor for refractive index and temperature sensing based on surface plasmon resonance

Wei Ye; Lifang Xue; Haiwei Zhang; Zhihong Chen; Qi Lu; Guangyao Wang; Wei Shi; Jianquan Yao

doi:10.1117/12.2688658

28 November 2023 Dual-parameter sensor for refractive index and temperature sensing based on surface plasmon resonance

Wei Ye, Lifang Xue, Haiwei Zhang, Zhihong Chen, Qi Lu, Guangyao Wang, Wei Shi, Jianquan Yao

Proceedings Volume 12774, Plasmonics VII; 127740Q (2023) https://doi.org/10.1117/12.2688658
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

In this paper, alcohol solution is added into the center hole of PCF-SPR sensor to realize the dual parameter sensor of temperature and refractive index (RI) simultaneously. Firstly, the external temperature is fixed at 20 °C, and the RI of the alcohol solution is changed. The resonance wavelength sensitivity is -6015.4 nm/RIU and the linearity is 0.99985 when the RI of alcohol solution is from 1.34 to 1.3654 with a resonance-loss sensitivity of -2640 dB/RIU and a linearity of 0.99475, respectively. When the concentration of alcohol solution is fixed at 70.4% and the external temperature of PCF is changed, the resonance loss sensitivity is 1.0375 dB/°C and the linearity is 0.976 when the external temperature is changed between 20 °C and 80 °C, its resonance loss sensitivity is 2.4219 nm/°C and the linearity is 0.9997. Finally, the sensor matrix of temperature and refractive index with respect to the shift of resonant wavelength and the change of resonant loss is obtained.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Wei Ye, Lifang Xue, Haiwei Zhang, Zhihong Chen, Qi Lu, Guangyao Wang, Wei Shi, and Jianquan Yao "Dual-parameter sensor for refractive index and temperature sensing based on surface plasmon resonance", Proc. SPIE 12774, Plasmonics VII, 127740Q (28 November 2023); https://doi.org/10.1117/12.2688658

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