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<strong>A Compact High Sensitive D Shape Surface Plasmon Sensor</strong>

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Title Statement <strong>A Compact High Sensitive D Shape Surface Plasmon Sensor</strong>
 
Added Entry - Uncontrolled Name Nivedha, S ; Vellore Institute of Technology, Vellore
Senthilnathan, K ; Vellore Institute of Technology, Vellore
None
 
Uncontrolled Index Term D-shaped fiber sensor; Photonic crystal fiber; Refractive index; Surface plasmon resonance
 
Summary, etc. <p class="AbstractHead">In this paper, we numerically design a refractive index-based surface plasmon fiber sensor by exploiting the optical characteristics of a commercially available side polished D-shaped photonic crystal fiber (PCF) using finite element method. The proposed sensor could work in the infrared regime for a wide range of analytes with refractive indices ranging from 1.33 to 1.36. The proposed sensor exhibits a maximum sensitivity of 31,800 nm/RIU with a resolution of 3.14×10<sup>-6</sup> RIU when the refractive index is varied from 1.355 to 1.36. Further, considering the practical implementation, we carry out the fabrication tolerance of ± 5% of the proposed sensor by varying the optimized structural parameters. Based on the numerical results, we find that the proposed sensor is highly robust against the variations in the structural parameters. As the proposed fiber sensor has a strong surface plasmon resonance between the core mode and the surface plasmon mode, it is highly sensitive even for a minimum change in the refractive index of the analyte which is an attribute of high preference in biosensors.</p>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2021-07-13 15:08:30
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/49554
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 59, ##issue.no## 7 (2021): Indian Journal of Pure & Applied Physics
 
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http://op.niscair.res.in/index.php/IJPAP/article/download/49554/465560661
http://op.niscair.res.in/index.php/IJPAP/article/download/49554/465561006
http://op.niscair.res.in/index.php/IJPAP/article/download/49554/465561007
 
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