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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 625-628 |
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Gerami S, Moravvej farshi M K. Refractive index sensor based on U-shaped optical fiber. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :625-628
URL: http://opsi.ir/article-1-2136-en.html
URL: http://opsi.ir/article-1-2136-en.html
1- Nano-Plasmo Photonic Research Group, Tarbiat Modares University, Tehran, Iran
Abstract: (1486 Views)
We have chemically etched and bent a 30-mm long section of a single mode fiber in a U-shape, to fabricate a refractive index sensor. Then, we immersed this section into solutions of different refractive indices. To characterize the sensor, we have measured the change in power transmission, while changing the liquid refractive index in the range of 1.428-1.474. The experimental results show that the sensor sensitivity varies from −34.32 dBm/RIU for the refractive indices of 1.428-1.460 to −298.04 dBm/RIU for the refractive indices of 1.460-1.474.
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