SPR Based Cone Tapered Fiber Optic Chemical Sensor for the Detection of Low Water in Ethanol

被引：2
作者：
Pathak, A. K. [1 ]
Bhardwaj, V. [1 ]
Gangwar, R. K. [1 ]
Singh, V. K. [1 ]
机构：
[1] Indian Sch Mines, Dept Appl Phys, Dhanbad 826004, Bihar, India
来源：
INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015) | 2016年 / 1728卷
关键词：
D O I：
10.1063/1.4946067
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper a cone tapered surface plasmon resonance (SPR) based chemical fiber sensor is fabricated and demonstrated for the detection of low water content in ethanol. Here the 11nm thickness of Aluminum (Al) is used to coat tip of probe to generate Plasmon wave. The output power has been found to increase linearly with water content in the range 1-10% due to the increase in refractive index (RI) of ethanolabove which, as the percentage of water increases in step of 20% it shows abrupt decrease in RI hence decrease in the output power. The compact size of sensor and its low cost fabrication makes it useful for many applications in the field of chemical and biochemical sensing.
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页数：4
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