High sensitivity temperature sensor based on packaged microdroplet whispering gallery mode resonator

Xiaogang Chen; Liang Fu; Qijing Lu; Hongqin Yang; Xiang Wu; Shusen Xie

doi:10.1117/12.2506249

15 November 2018 High sensitivity temperature sensor based on packaged microdroplet whispering gallery mode resonator

Xiaogang Chen, Liang Fu, Qijing Lu, Hongqin Yang, Xiang Wu, Shusen Xie

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 1096451 (2018) https://doi.org/10.1117/12.2506249
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

We experimentally demonstrate a high sensitivity temperature sensor based on packaged microdroplet whispering gallery mode (WGM) resonator. Fabrication process of the packaged microdroplet resonator is easy and controllable. The sensitivity and the electric field intensity distribution of different radial modes are calculated and analyzed by Mie theory. The measured temperature sensitivity is over 200 pm/ °C, due to the mode distribution of microdroplet resonator and high thermo-optic coefficient of dimethyl sulfoxide (DMSO). The proposed packaged microdroplet resonator has the superiority in the high sensitivity and robust property, which exhibit good potential in regards to future integrated photonic devices based sensors.

Citation Download Citation

Xiaogang Chen, Liang Fu, Qijing Lu, Hongqin Yang, Xiang Wu, and Shusen Xie "High sensitivity temperature sensor based on packaged microdroplet whispering gallery mode resonator", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 1096451 (15 November 2018); https://doi.org/10.1117/12.2506249

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