Abstract
A finite element analysis using COMSOL Multiphysics for simulation of photonic crystal fiber (PCF) as biosensors. Two types of the hollow core-photonic crystal fiber (HC-PCF) are used HC19-1550 and HC-1550 overfilled with various bio-liquids (pentanol, liver blood, colon blood and epidermis blood). In the present work, we make numerical calculations of effective refractive index, amplitude sensitivity, effective mode index and the confinement loss of the fundamental mode for empty and filled PCF with different bio-liquids and for two types of PCF. Our results show that as the refractive index (RI) the effective mode index increases and the minimal value of confinement loss decreases and shifted to smaller wavelengths for the two types of PCF, which allow us to calculate the PCF amplitude sensitivity. The wavelength shift can be determined using the index scaling law for the two kinds of PCF as a function of refractive index.
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