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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): 37-39 |
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Askari A A, Arjomand M, Rahiminejad L, Mozafari M. Design and manufacturing of a fiber optic distributed temperature sensor based on Raman effect. ICOP & ICPET _ INPC _ ICOFS 2021; 28 (1) :37-39
URL: http://opsi.ir/article-1-2503-en.html
URL: http://opsi.ir/article-1-2503-en.html
1- Faculty of applied science, Malek Ashtar University of Technology, Isfahan, Iran
2- Niroo Research Institue, Tehran, Iran
2- Niroo Research Institue, Tehran, Iran
Abstract: (691 Views)
Real-time temperature measurement and monitoring of devices and structures is very important in many cases. One of the suitable methods to measure the temperature of large structures is the use of optical fiber distribution sensor technology based on Raman nonlinear effect. In this paper, a fiber optic Raman distribution sensor is designed and built. The built-in sensor is capable of monitoring temperature over 10 km, with a temperature accuracy of 1 ° C and a spatial accuracy of 1.5 m. This sensor provides temperature profile to the user every 3 minutes after processing of Raman stokes and anti-stokes signals. In addition, the warning alarm and the temperature history of the monitored structure is also designed and implemented for it.
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