期刊
OPTICS COMMUNICATIONS
卷 520, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.optcom.2022.128485
关键词
Surface plasmon resonance (SPR); Transition metal dichalcogenides; MoS2; Optical fiber sensor
类别
资金
- National Natural Science Founda-tion of China (NSFC) [62105095, U1804261]
- Natural Science Foundation of Henan, PR China [202300410238]
- National Scientific Research Project Cultivation Fund of Henan Normal University, PR China [20210381]
The research demonstrates that MoS2 enhances the sensing performance of optical fiber sensors based on surface plasmon resonance, increasing the sensitivity to the bulk refractive index by approximately 24% compared to sensors without MoS2. Furthermore, using self-assembled monolayers of polyelectrolytes with defined thickness and refractive index can also improve surface sensing performance.
We show the active role that the transition metal dichalcogenide MoS2 plays in enhancing the sensing performance of optical fiber sensors based on surface plasmon resonance (SPR). This is proved experimentally suggesting that the optical fiber SPR sensor with the MoS2 has an about 24 percent increase in the bulk refractive index sensitivity compared to the one without the MoS2. Also, we investigate the surface sensing performance of the sensor using self-assembly monolayers of polyelectrolytes with well-defined thickness and refractive index.
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