A wide linear range surface plasmon resonance biosensor

Zhanliang Sun; Yonghong He; Yonghong Shao; Jihua Guo

doi:10.1117/12.710697

27 October 2006 A wide linear range surface plasmon resonance biosensor

Zhanliang Sun, Yonghong He, Yonghong Shao, Jihua Guo

Proceedings Volume 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine; 604734 (2006) https://doi.org/10.1117/12.710697
Event: Fourth International Conference on Photonics and Imaging in Biology and Medicine, 2005, Tianjin, China

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.

Citation Download Citation

Zhanliang Sun, Yonghong He, Yonghong Shao, and Jihua Guo "A wide linear range surface plasmon resonance biosensor", Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604734 (27 October 2006); https://doi.org/10.1117/12.710697

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