Performance Analysis of Localized Surface Plasmon Resonance Sensor with and without Bragg Grating

被引：1
|
作者：
Singh R. [1 ]
Dewra S. [1 ]
机构：
[1] Department of Electronics and Communication Engineering, Shaheed Bhagat Singh State Technical Campus, Ferozepur,Punjab
来源：
Singh, Ranjit (buttar149@gmail.com) | 1600年 / De Gruyter Open Ltd卷 / 41期
关键词：
fiber Bragg grating (FBG); finite difference time domain (FDTD); localized surface plasmon resonance (LSPR); signal-to-noise ratio (SNR);
D O I：
10.1515/joc-2017-0141
中图分类号：
学科分类号：
摘要：
The performance of localized surface plasmon resonance-based sensor with and without Bragg grating by using finite difference time domain method is evaluated with nanoparticles used at the tip of optical fiber. The proposed sensor has been analyzed in terms of refractive index (RI) sensitivity and signal-to-noise ratio (SNR). It is observed that the RI sensitivity of surface plasmon resonance sensor is 240 nm/RIU with and without grating as RI of surrounding varies from 1.4 to 1.5. It is found that the value of SNR is 0.875 RIU→1 without grating and 2.75 RIU→1 with grating. So there is an improvement in the SNR when the Bragg grating is inscribed within the core of the fiber. © 2020 Walter de Gruyter GmbH, Berlin/Boston 2020.
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页码：45 / 50
页数：5
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