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year 28, Issue 1 (1st Iranian Conference on optical fiber sensors (ICOFS 2021) 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 28(1): 70-72 |
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Mansoursamaei M, Malakzadeh A, Gholampour M. Comparison of reflection width and peak power of a uniform FBG in tilted cantilever beam technique for simultaneous measurement of temperature and strain. ICOP & ICPET _ INPC _ ICOFS 2021; 28 (1) :70-72
URL: http://opsi.ir/article-1-2515-en.html
URL: http://opsi.ir/article-1-2515-en.html
1- Imam Hossein University, Physics Group, Basic Sciences department, Tehran, Iran.
2- School of astronomy, institute for research in fundamental sciences, Tehran, Iran.
3- Imam Ali University, Physics Group, Basic Sciences Department, Tehran, Iran.
2- School of astronomy, institute for research in fundamental sciences, Tehran, Iran.
3- Imam Ali University, Physics Group, Basic Sciences Department, Tehran, Iran.
Abstract: (657 Views)
The use of FBG as a strain sensor in civil and industrial applications such as monitoring of civil superstructures (bridges, towers, dams, etc.) and perimeter protection of security and government sites has always been of interest to researchers. Due to the overlap of temperature and strain changes in the reflection spectrum of FBG sensors, one of the most efficient ways to reduce measurement error in these sensors is simultaneous measurement of these parameters. In this paper, to select a suitable and cost-effective method for simultaneous measurement of temperature and strain in civil and industrial applications, two methods based on the tilted cantilever beam technique that require only a FBG are used. Finally, among these two, which are based on the changes in width and peak power reflectance of FBG, the full width at half maximum (FWHM) method has been selected as the best and most cost-effective method by MATLAB software.
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