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ICOP & ICPET 2018, 24 - : 609-612 Back to browse issues page
Comparison of Sensitivity of Tapered Fiber Optic Gas sensors with Different Non-adiabaticity Degrees
Behnaz Fatehi Raviz * 1, Mohammad Vahedi 1
1- IUST
Abstract:   (484 Views)
In this paper, we compare sensor performance of two tapered fiber optic sensors. We use two fibers with the same taper waist diameter of about 27μm and the lengths of 4mm and 8mm and different tapering angles. Tapered fibers are made by using an oxy-butane torch. The response of two sensors to different N2 gas pressures are measured which demonstrate different sensitivities. The fiber with more non-adiabaticity shows better results. A sensitivity to gas pressure variations equal to 6.83μW/Bar was obtained. Also, the spectrum shift dependence to gas pressure was 0.4nm/Bar for this fiber.
Keywords: pressure senor, tapered fiber optic, adiabatic and non-adiabatic tapered optical fiber
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Type of Study: Research | Subject: Special
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Fatehi Raviz B, Vahedi M. Comparison of Sensitivity of Tapered Fiber Optic Gas sensors with Different Non-adiabaticity Degrees. ICOP & ICPET. 2018; 24 :609-612
URL: http://opsi.ir/article-1-1461-en.html


Volume 24 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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