July 23, 2025

Design and Analysis of a Biosensor Based on Surface Plasmon Resonance in a Photonic Crystal Fiber

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This investigation demonstrates enhanced sensitivity and performance in biosensors using surface plasmon resonance and photonic crystal fibers.

The biosensors enhanced sensitivity by utilizing surface plasmon resonance in photonic crystal fibers with specific hole geometries.
The elliptical design exhibited a higher confinement loss of 131.8 dB/cm, compared to the circular design at 120.4 dB/cm.
Phase matching for a specific analyte refractive index of 1.37 was observed at approximately 0.67 µm.
Strong linearity was established between resonance wavelength and analyte index, with adjusted R² values near 0.993, indicating robust performance.

Alireza Abdikian (2025) studied this question.

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This investigation demonstrates enhanced sensitivity and performance in biosensors using surface plasmon resonance and photonic crystal fibers.