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Proceedings Paper

A wide linear range surface plasmon resonance biosensor
Author(s): Zhanliang Sun; Yonghong He; Yonghong Shao; Jihua Guo
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Paper Abstract

A new surface plasmon resonance (SPR) sensor based on polarization interferometry and angle modulation is presented. Its feature is that it can provide the same sensitivity in a wide refractive index (RI) range. Moreover, the sensitivity ofthis SPR sensor is insensitive to the thickness of gold films over about 5 mu. Experimental results show that its resolution in an integration time of 0.5 second is 1.7 × 10-7 refractive index units (RIU). It demonstrates great potential to be commercialized and widely applied in biological research.

Paper Details

Date Published: 27 October 2006
PDF: 5 pages
Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604734 (27 October 2006);
Show Author Affiliations
Zhanliang Sun, Tsinghua Univ. (China)
Yonghong He, Tsinghua Univ. (China)
Yonghong Shao, Tsinghua Univ. (China)
Jihua Guo, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6047:
Fourth International Conference on Photonics and Imaging in Biology and Medicine
Kexin Xu; Qingming Luo; Da Xing; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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