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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 133-136 |
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Aarefi M , Riahi A, Khalilzadeh J, Vahedi M, Mddah B. Design and fabrication of a tapered fiber optic sensor for the detection of dimethyl methyl phosphate. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :133-136
URL: http://opsi.ir/article-1-2324-en.html
URL: http://opsi.ir/article-1-2324-en.html
1- Optics and Laser Research Center, Imam Hossein University, Tehran, Iran
2- Optics and Laser Research Center, Imam Hossein University, Tehran, Iran, Physics department, Iran University of Science and Technology, Tehran, Iran
3- Physics department, Iran University of Science and Technology, Tehran, Iran
4- Chemistry Research Center, Imam Hossein University, Tehran, Iran
2- Optics and Laser Research Center, Imam Hossein University, Tehran, Iran, Physics department, Iran University of Science and Technology, Tehran, Iran
3- Physics department, Iran University of Science and Technology, Tehran, Iran
4- Chemistry Research Center, Imam Hossein University, Tehran, Iran
Abstract: (918 Views)
Chemistry Research Center, Imam Hossein University, Tehran, Iran3
There are several methods for detecting chemicals., The tapered fiber optic sensors is one of the newest methods for this porpose. This sensor is a very safe and suitable option due to its short response time, high sensitivity, high accuracy at very low concentrations and good reversibility. These sensors can be made in small dimensions that have the ability to be portable and set up quickly. In this paper, the results of fabrication and optimal function of the tapered fiber optic sensor for detection of dimethyl methyl phosphate (DMMP) is reported. We used polypyrrole adsorption layer on tapered zone, and deposited it by in situ method. After examining the thickness, the effect of the geometrical parameters of the sensor including tapered diameter and tapered length on the sensitivity is investigated.
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