Proposed TC-PCF sensor shows 1641.2 nm/RIU sensitivity for white blood cells and 2732.638 nm/RIU for red blood cells, suggesting advancements in biomolecule detection.
A twin-core photonic crystal fiber (TC-PCF) sensor is proposed featuring a rectangular analyte channel, designed for blood component detection. The cladding area of this sensor incorporates rectangular air-holes, with silica serving as the substrate material. Operating within a wavelength range of 2 µm to 3 µm. The sensor's modeling and simulation is conducted by using COMSOL Multiphysics software, while schematic curves were plotted using Origin software. This TC-PCF sensor demonstrates remarkable sensitivity, reaching 1641.2 nm/RIU for white blood cells and 2732.638 nm/RIU for red blood cells. Offering a compact and advanced solution, this sensor addresses challenges commonly encountered with traditional blood biomolecule sensors. Its cost-effectiveness and ease of fabrication may lead the proposed sensor structure for promising future applications.
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Mourya et al. (2024) studied this question.
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