Magnetized SPR sensor for enhanced functionality |
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| Authors: | Chang-Kyeng Kong Bo-Soon Kim Dong-Jin Lee Sung-Hoon Hong Beom-Hoan O |
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| Affiliation: | 1. School of Electrical Engineering, VIT University, Vellore, 632 014, India;2. Centre for Nanotechnology Research, VIT University, Vellore, 632 014, India;3. Department of Electronics and Communication Engineering, SRM University, Ramapuram, Chennai, 600 089, India;1. Laboratory of Optical Imaging and Sensing, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;2. Life Science Division, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;3. Graduate School at Shenzhen, Harbin Institute of Technology, Shenzhen 518055, China;1. School of Physical Science & Technology, Southwest University, Chongqing 400715, PR China;2. School of Mechanical & Control Engineering, Beijing Jiaotong University, Beijing 100044, PR China |
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| Abstract: | It is known that a magnetic field changes the RI and the SPR angle of specific analytes. We have applied an external magnetic field to a surface plasmon resonance (SPR) sensor to exploit this phenomenon. A gold film is used for excitation of SPR in the sensor with a Kretschmann configuration. According to the concentration of 4-type analyte, we observed unique changes of the SPR angle due to the magnetic field, providing better classification of material type than a conventional SPR sensor. |
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