Journal
OPTICAL FIBER TECHNOLOGY
Volume 66, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.yofte.2021.102631
Keywords
Biosensor; Surface plasmon resonance; Terahertz; MoS2
Funding
- National Science Foundation of China [61805067, 61975050, 61905063]
- Science and Technology Research Project of Hebei Province Higher Education [BJ2018047]
- Natural Science Foundation of Hebei Province [F2020202069]
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This study introduces a terahertz surface plasmon biosensor based on MoS2 for detecting blood components. The sensor exhibits ultra-high wavelength sensitivity and resolution ratio, with a significant influence from the thickness of MoS2.
We propose a terahertz surface plasmon biosensor based on MoS2 for detecting blood components. The change of the thickness of MoS2 has a great influence on the amount of resonance peak drift. The ultra-high wavelength sensitivity and resolution ratio of the biosensor are 715.59 mu m/RIU and 1.40 x 10-7 RIU, respectively. When the overall structure of the sensor changes by +/- 0.4%, the maximum relative error of the resonance frequency is 1.3699%, and the maximum relative error of the peak loss is 1.5327%, which are all within a reasonable range and will not affect the sensor' performance.
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