Graphene embedded double D-shaped plasmonic sensor for multi-analyte detection

Rakib Haider; Md. Mashrafi; Firoz Haider M.D.; Hairul Azhar Bin Abdul Rashid; Rajib Ahmed; Rifat Ahmmed Aoni

doi:10.1117/12.2644095

31 December 2022 Graphene embedded double D-shaped plasmonic sensor for multi-analyte detection

Rakib Haider, Md. Mashrafi, Firoz Haider M.D., Hairul Azhar Bin Abdul Rashid, Rajib Ahmed, Rifat Ahmmed Aoni

Proceedings Volume PC12322, Nanophotonics, Micro/Nano Optics, and Plasmonics VIII; PC123220T (2022) https://doi.org/10.1117/12.2644095
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

We propose a graphene embedded highly sensitive double D-shaped photonic crystal fiber (PCF) based plasmonic sensor for multi-analyte detection. The double D-shaped PCF is fabricated using the standard stack-and-draw method and utilizes the scanning electron microscope (SEM) image for numerical investigations. The double D-shape structure facilitates simultaneous multi-analyte detection capability. The proposed sensor exhibits the maximum wavelength and amplitude sensitivities of 14,000 nm/RIU and 1,922 RIU-1 for x-polarized mode respectively. Due to its highly sensitive response and multi-analyte detection capability, the proposed sensor will be a suitable candidate for medical diagnostics, biochemical, and organic chemical detection.

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Citation Download Citation

Rakib Haider, Md. Mashrafi, Firoz Haider M.D., Hairul Azhar Bin Abdul Rashid, Rajib Ahmed, and Rifat Ahmmed Aoni "Graphene embedded double D-shaped plasmonic sensor for multi-analyte detection", Proc. SPIE PC12322, Nanophotonics, Micro/Nano Optics, and Plasmonics VIII, PC123220T (31 December 2022); https://doi.org/10.1117/12.2644095

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KEYWORDS

Graphene

Sensors

Plasmonic sensors

Finite element methods

Gold

Refractive index

Sensor performance

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