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Proceedings Paper

Study on the measurement ways of SPR Sensor
Author(s): Dakai Liang; Zhenxin Cao
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Paper Abstract

Surface Plasmon Wave Sensor (SPWS) is a new type of sensor. Many output light measurements of SPWS exist, such as to measure the single color light intensity, to measure the absolute light intensity spectral and to measure relative light intensity spectral. In the paper, several ways to measure and analyze the outputs light of the SPWS are presented. In particular, absolute light intensity spectral analysis and relative light intensity spectral analysis are contrasted. For the way to measure the absolute light intensity spectral, it requests that the input light must be an ideal white light and has very steady light intensity. For the latter way, it needs not the same requests as the former. So the input light has little influence on the measurement and the relative light intensity spectral has much merit such as the low request to input light, higher precision etc. At last, we obtain a conclusion that it is most adaptable to use relative light intensity spectral analysis to measure the output light of the optic fiber SPWS.

Paper Details

Date Published: 29 April 2003
PDF: 6 pages
Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); doi: 10.1117/12.510317
Show Author Affiliations
Dakai Liang, Nanjing Univ. of Aeronautics and Astronautics (China)
Zhenxin Cao, Nanjing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 5058:
Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002
Gong Xin Shen; Soyoung S. Cha; Fu-Pen Chiang; Carolyn R. Mercer, Editor(s)

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