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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 797-800 |
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Mohammadnezhad M, Dastjerdi V, Vahedi M, Zamani M. Effect of Taper Angle on Sensitivity of Tapered Optical Fiber Hydrogen Gas Sensor. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :797-800
URL: http://opsi.ir/article-1-1952-en.html
URL: http://opsi.ir/article-1-1952-en.html
1- School of Physics, Iran University of Science and Technology, Tehran
Abstract: (1502 Views)
In this research, a tapered optical fiber was fabricated using single-mode optical fiber by a stretch and flame method. Then, using a magnetic sputtering method, 20 nm of palladium metal was deposited as an absorbent layer on the fiber. Spectral displacement of each fiber for various percentages of hydrogen gas (0 to 8%) was recorded in the room temperature by the optical spectral analyzer and the spectral sensitivity of 1/17×105 nm/RIU was gained. It is shown that the sensitivity is increases by increasing the taper angle.
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