標題: Measurement of the concentration of a solution with surface plasmon resonance heterodyne interferometry
作者: Chen, KH
Hsu, CC
Su, DC
光電工程學系
Department of Photonics
關鍵字: surface plasmon resonance;concentration measurement;heterodyne interferometry
公開日期: 1-七月-2003
摘要: A linearly polarized light beam is incident on the boundary surface between the thin metal film of a surface plasmon resonance (SPR) apparatus and the tested solution. If the incident angle is very near to the resonant angle, then the phase difference between p- and s-polarizations of the reflected light is changed with the concentration of the solution. The phase difference can be measured accurately by heterodyne interferometry. Based on these effects, a method for measuring the concentration of a solution is presented. Because the reflected light is measured, only a small quantity of the solution is required. In addition, the method has the advantages of both common-path interferometry and heterodyne interferometry. (C) 2003 Society of Photo-Optical Instrumentation Engineers.
URI: http://dx.doi.org/10.1117/1.1577115
http://hdl.handle.net/11536/27771
ISSN: 0091-3286
DOI: 10.1117/1.1577115
期刊: OPTICAL ENGINEERING
Volume: 42
Issue: 7
起始頁: 1884
結束頁: 1887
顯示於類別:期刊論文


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