Doped Single-Wall Carbon Nanotubes in Propagating Surface Plasmon Resonance-Based Fiber Optic Refractive Index Sensing

被引：0
|
作者：
Akhilesh K. Mishra
Satyendra K. Mishra
Rajneesh K. Verma
机构：
[1] Technion–Israel Institute of Technology,Department of Electrical Engineering
[2] City University of Hong Kong,Electronic Engineering Department
[3] Central University of Rajasthan,Department of Physics
来源：
Plasmonics | 2017年 / 12卷
关键词：
Surface plasmon resonance; Single-wall carbon nanotube; Sensor; ITO; Silicon; Fiber;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a surface plasmon resonance (SPR)-based fiber coupled refractive index sensing probe utilizing single-wall carbon nanotubes (SWCNTs) as the upper most layer. The sensor is designed by considering indium tin oxide (ITO) film on the bare core of a multi-moded step-index fiber, followed by the deposition of silicon, and then by that of the highly doped bundled SWCNTs layers. The film thicknesses of different constituent layers are optimized with respect to the sensitivity and the detection accuracy of the sensor. The theoretical analysis results in high sensitivity of 9.78 μm per refractive index unit (μm/RIU) for the optimized probe in the infra-red (IR) region of the electromagnetic (EM) spectrum.
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页码：1657 / 1663
页数：6
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