Journal
APPLIED OPTICS
Volume 59, Issue 17, Pages 5108-5113Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.391226
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Funding
- National Key Research and Development Program of China [2019YFB2204001]
- National Natural Science Foundation of China [11604042, 61775032]
- Fundamental Research Funds for the Central Universities [N180406002, N180408018]
- 111 Project [B16009]
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A surface plasmon resonance (SPR) temperature sensor based on a photonic crystal fiber (PCF) filled with silver nanowires is proposed in this paper. We inject ethanol solution filled with silver nanowires into the grapefruit PCF to realize temperature sensing. The sensitivity of the sensor can reach -433 pm/degrees C by numerical simulation, and the experimental result is -160 pm/degrees C. Simulations and experiments show that the wavelength of the resonance peak will blueshift with the invalidity of silver nanowires, and the resonance effect of the sensor will weaken. It can provide reference for the realization and application of other SPR sensors based on PCF. (C) 2020 Optical Society of America
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