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Differential Angle Scanning Surface Plasmon Resonance Detection
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- Authors
- Jongdeog Kim, Yo Han Choi
- Issue Date
- 2018-10
- Citation
- IEEE Sensors 2018, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we propose a differential angle-scanning SPR detection approach for an enhanced signal to noise ratio, a fast angle decision calculation, and a wide dynamic range. With a proof-of-concept experimental setup, we measured the SPR characteristics for air, D.I. water, and sucrose solutions, and discussed for the numerous angle decision algorithms and methods, such as second or third-order polynomial fits and centroid algorithms for the SPR dip detection, and a simple linear fit for the differential SPR slope detection. Overall performances for signal-to-noise ratio, sensitivity, resolution and dynamic range are also discussed.
- KSP Keywords
- Angle-scanning SPR, Decision algorithm, Resonance Detection, SPR detection, Signal noise ratio(SNR), Signal-to-Noise, Sucrose solutions, Surface Plasmon resonance, Surface plasmon(SP), Third-order, Wide Dynamic Range