Abstract
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 μm/RIU and 1.40 × 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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