Optical Fiber Based Ammonia Gas Sensor with Carbon Nanotubes Sensing Enhancement

被引：0
|
作者：
Arasu, P. T. [1 ]
Khalaf, A. L. [2 ]
Aziz, S. H. A. [1 ]
Yaacob, M. H. [2 ,3 ]
Noor, A. S. M. [2 ,3 ]
机构：
[1] Univ Kuala Lumpur, British Malaysia Inst, Commun Technol Sect, Gombak 53100, Selangor, Malaysia
[2] Univ Putra Malaysia, Fac Engn, Upm Serdang 43400, Selangor, Malaysia
[3] Univ Putra Malaysia, Fac Engn, Dept Comp & Commun Syst Engn, Upm Serdang 43400, Selangor, Malaysia
来源：
2017 IEEE REGION 10 INTERNATIONAL SYMPOSIUM ON TECHNOLOGIES FOR SMART CITIES (IEEE TENSYMP 2017) | 2017年
关键词：
Fiber optic; sensor; ammonia carbon nanotubes; gas sensor; ETHANOL; LAYER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this research, we develop an ammonia gas sensor using plastic optical fibers. These chemically etched optical fibers were layered with a thin film of carbon nanotubes to enhance the sensing capability of the developed sensor. The sensor was then interrogated with different ratios of gaseous ammonia to synthetic air using a controlled gas testing setup. The developed sensor exhibited high sensitivity of 12/Vol% of ammonia when tested with to various ratios of ammonia to air. The high response and recovery time of the sensor was calculated to be 25 and 23 seconds respectively makes it a promising contender in gas sensing applications.
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页数：4
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