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Type: Journal article
Title: Exposed-core localized surface plasmon resonance biosensor
Author: Saiful Islam, M.D.
Islam, M.R.
Sultana, J.
Dinovitser, A.
Ng, B.W.H.
Abbott, D.
Citation: Journal of the Optical Society of America B: Optical Physics, 2019; 36(8):2306-2311
Publisher: Optical Society of America.
Issue Date: 2019
ISSN: 0740-3224
Statement of
Md. Saiful Islam, Mohammad Rakibul Islam, Jakeya Sultana, Alex Dinovitser, Brian W.-H. Ng and Derek Abbott
Abstract: We propose and numerically characterize an exposed-core photonic crystal fiber for biosensing applications. Surface plasmons are excited within gold (Au) strips, and titanium dioxide is employed to support adhesion of Au with glass. In consideration of ease of fabrication, only four air holes are used to simplify the sensor structure. Simulation results show an improved wavelength and amplitude sensitivity of 34,000 nm/RIU and 1170  RIU−1, respectively, that comes with a low confinement loss of 0.79 dB/cm. Results also indicate a low full width at half-maximum that contributes to high figure of merit of 310.
Rights: © 2019 Optical Society of America.
RMID: 0030132454
DOI: 10.1364/JOSAB.36.002306
Grant ID:
Appears in Collections:Electrical and Electronic Engineering publications

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