Optically tuned SPR sensor

Chunlan Liu; Yachen Gao; Xingdong Tan

doi:10.1117/12.2586386

4 December 2020 Optically tuned SPR sensor

Chunlan Liu, Yachen Gao, Xingdong Tan

Proceedings Volume 11617, International Conference on Optoelectronic and Microelectronic Technology and Application; 116173Z (2020) https://doi.org/10.1117/12.2586386
Event: International Conference on Optoelectronic and Microelectronic Technology and Application, 2020, Nanjing, China

Abstract

We proposed and demonstrated a novel optically tuned SPR sensor. A carbon disulfide (CS2) film was coated on the sensing gold film as modulation layer. By controlling light, the refractive index of the modulation layer was adjusted continuously. The simulating results indicated that the larger the power intensity of the controlling light was, the larger the sensing sensitivity was. And the dynamic range of the SPR resonance spectrum moved to long wavelength with the increased of the irradiance. The proposed optically tuned SPR sensor provided a new idea for the design of the distributed SPR sensor.

Citation Download Citation

Chunlan Liu, Yachen Gao, and Xingdong Tan "Optically tuned SPR sensor", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116173Z (4 December 2020); https://doi.org/10.1117/12.2586386

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