Surface plasmon resonance sensors based on Ag-metalized nanolayer in microstructured optical fibers |
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| Authors: | Long Zheng Xia Zhang Xiaomin Ren Jing Gao Lei Shi Xiaolong Liu Qi Wang Yongqing Huang |
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| Affiliation: | Key Laboratory of Information Photonics and Optical Communications (BUPT), Ministry of Education; Institute of Optical Communications and Optoelectronics, Beijing University of Posts and Telecommunications, P.O. Box 66 (Room 741), Beijing 100876, China |
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| Abstract: | Surface plasmon resonance sensors based on Ag-metalized nanolayer in microstructured optical fibers are theoretically analyzed by using finite element method (FEM). In our simulations we use Drude-Lorentz model to describe the metal dielectric constant. The numerical results show that the sensitivity of Ag-metalized SPR sensor could reach 1167 nm/RIU and corresponding resolution is 8.57×10−5 RIU. Compared to conventional Au-metalized SPR sensors the performance of our device is obviously better. |
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| Keywords: | Surface plasmon resonance Microstructure optical fiber Ag |
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