研究目的
Investigation of a D-shaped optical-fiber refractive index sensor based on surface plasmon resonance and rigorous coupled-wave analysis for high-performance biochemical sensing applications.
研究成果
The proposed D-shaped optical fiber sensor with nano-gold grating demonstrates high sensitivity (0.925 lm/RIU) and linearity (0.997) for refractive index measurements, suggesting its potential for high-performance biochemical sensing applications.
研究不足
The study is limited to theoretical analysis and simulation, with no experimental validation reported. The performance is analyzed for a specific range of refractive indices (1.35 to 1.43).
1：Experimental Design and Method Selection:
The study utilized rigorous coupled-wave analysis (RCWA) to simulate the numerical modeling of a D-shaped optical fiber sensor with nano-gold grating.
2：Sample Selection and Data Sources:
The sensor's performance was analyzed for refractive indices ranging from
3：35 to List of Experimental Equipment and Materials:
A D-shaped optical fiber and a nano-gold grating were used.
4：Experimental Procedures and Operational Workflow:
The influence of metal grating parameters (thickness, height, duty cycle) on SPR was characterized.
5：Data Analysis Methods:
The sensitivity and linearity of the sensor were evaluated based on the resonance wavelength shifts.
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