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Proceedings Paper

A new parallel scan spectral SPR 2D sensing system
Author(s): Le Liu; Suihua Ma; Yonghong He; Weiping Lu; Hui Ma; Yaou Zhang; Jihua Guo
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Paper Abstract

In this paper, a new parallel scan spectral surface plasmon resonance (SPR) 2D sensing system is presented. With a lineshaped light illumination, an image acquired with area CCD detector provides both SPR wavelength information and 1D spatial distribution. Thus, 2D distribution of refractive index of the entire sensing plane can be obtained with 1D optical line parallel scan. A refractive index distribution model and a manually dotted DNA array are measured with this system. The technology shows advantages of both high sensitivity and high throughput in these results, and could have potential applications in biochips analysis.

Paper Details

Date Published: 19 February 2009
PDF: 9 pages
Proc. SPIE 7192, Plasmonics in Biology and Medicine VI, 719210 (19 February 2009); doi: 10.1117/12.808615
Show Author Affiliations
Le Liu, Tsinghua Univ. (China)
Suihua Ma, Tsinghua Univ. (China)
Yonghong He, Tsinghua Univ. (China)
Weiping Lu, Third Military Medical University (China)
Hui Ma, Tsinghua Univ. (China)
Yaou Zhang, Tsinghua Univ. (China)
Jihua Guo, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 7192:
Plasmonics in Biology and Medicine VI
Tuan Vo-Dinh; Joseph R. Lakowicz, Editor(s)

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