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Design and Performance Investigation of Low-Cost, Highly Sensitive Ag-Ta2O5 Coated PCF-Based SPR Sensor

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Title Design and Performance Investigation of Low-Cost, Highly Sensitive Ag-Ta2O5 Coated PCF-Based SPR Sensor
 
Creator Kumar, Sudhir
Kumar, Dilip
 
Subject Photonic crystal fiber
Surface plasmon resonance
Optical communication
 
Description 825-833
This paper uses numerical investigation to present an efficient photonic crystal fiber (PCF) surface plasmon resonance
(SPR) sensor. The proposed sensor is simulated and modelled by the finite element method (FEM). The plasmonic and
analyte layers are utilized on the fiber’s exterior to ease practical implementation. Additionally, the designed sensor contains
all the circular air holes, making it simpler and easier to fabricate using currently available techniques. Silver (Ag) and
tantalum pentaoxide (Ta2O5) are used as plasmonic materials for surface plasmon generations and to achieve smooth
coupling. The sensor achieves the maximum wavelength sensitivity of 22860 nm/RIU and amplitude sensitivity of 1758
1/RIU. Moreover, the sensor shows a wide refractive range of chemical sensing capabilities within 1.375-1.400. Due to the
broad RI detection range, the proposed sensor can detect various biological cells, biochemicals, and food additives, making
this sensor applicable in medical applications and food quality control.
 
Date 2024-09-17T10:59:17Z
2024-09-17T10:59:17Z
2024-09
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/64541
https://doi.org/10.56042/ijpap.v62i9.8708
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJPAP Vol.62(09) [September 2024]