High-sensitivity low-cost temperature sensor based on symmetrical metal-cladding optical waveguide

Jinbing Hu; Jiabi Chen; Xuexue Luo; Binming Liang; Songlin Zhuang

doi:10.1117/12.2196265

12 August 2015 High-sensitivity low-cost temperature sensor based on symmetrical metal-cladding optical waveguide

Jinbing Hu, Jiabi Chen, Xuexue Luo, Binming Liang, Songlin Zhuang

Proceedings Volume 9624, 2015 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication; 962405 (2015) https://doi.org/10.1117/12.2196265
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

The temperature-dependent reflection spectrums of ultrahigh order guided modes of symmetrical metal-cladding waveguide (SMCW) are measured in angular interrogation. The results show that the reflection spectrum is characterized by extremely narrow resonance dip, which agrees well with numerical calculation. Based on the falling or rising edge of resonance dip of ultrahigh order guided modes of SMCW, a temperature sensor with characteristic of high sensitivity is proposed. Meanwhile, by experimentally determine the linear character between the shift of resonance angle and the variation of temperature, a method of angle compensation is put forward to extend the sensing range. Owing to its characteristics of high sensitivity, low cost and easy fabrication, the temperature sensor based on SMCW will be a promising sensor in many fields.

Citation Download Citation

Jinbing Hu, Jiabi Chen, Xuexue Luo, Binming Liang, and Songlin Zhuang "High-sensitivity low-cost temperature sensor based on symmetrical metal-cladding optical waveguide", Proc. SPIE 9624, 2015 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication, 962405 (12 August 2015); https://doi.org/10.1117/12.2196265

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