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Compares plasmonic materials in enhancing sensor performance, indicating improved disease detection.
The selection of plasmonic material is crucial for optimizing the performance of photonic crystal fiber (PCF)‐based surface plasmon resonance (SPR) sensors, which are widely used in biosensing and chemical sensing applications. High sensitivity and low detection error are essential for accurate and early detection of diseases such as early‐stage cancer, where even minute changes in the refractive index (RI) must be accurately identified. This study presents a complete and detailed comparative analysis of all major performance parameters related to the sensing capabilities of gold (Au), silver (Ag), and copper (Cu) as plasmonic materials in PCF‐based SPR sensors. For instance, the maximum wavelength sensitivity for Au, Ag, and Cu is 25,000nm/RIU, 26,000nm/RIU, and 26,000nm/RIU, respectively. Followed by maximum amplitude sensitivity for them are 1773 RIU −1 , 2339 RIU −1 , and 2452RIU −1 , respectively. In this study, figure of merit, resolution, and sensor length are also analyzed to get a clear idea about the total performance of different plasmonic materials for sensing. The pioneering analysis establishes a foundation for designing highly sensitive, low‐error PCF‐based SPR sensors tailored to specific application needs, advancing their practical implementation in next‐generation sensing technologies.
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Huraiya et al. (2026) studied this question.
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