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首页> 中文期刊> 《中国物理：英文版》 >Low-cost, high performance surface plasmon resonance-compatible films characterized by the surface plasmon resonance technique

Low-cost, high performance surface plasmon resonance-compatible films characterized by the surface plasmon resonance technique

         
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摘要

A new analytical method based on the surface plasmon resonance (SPR) technique is presented,with which SPR curves for both wavelength and angular modulations can be obtained simultaneously via only a single scan of the incident angle.Using this method,the SPR responses of TiO2-coated Cu films are characterized in the wavelength range from 600 nm to 900 nm.For the first time,we determine the effective optical constants and the thicknesses of TiO2-coated Cu films using the SPR curves of wavelength modulation.The sensitivities of prism-based SPR refractive index sensors using TiO2-coated Cu films are investigated theoretically for both wavelength and angular modulations,the results show that in the case of sensitivity with wavelength modulation,TiO2-coated Cu films are not as good as the Au film,however,they are more suitable than the Au film for SPR refractive index sensors with angular modulation because a higher sensitivity can be achieved.

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  • 来源
    《中国物理：英文版》 |2013年第7期|444-449|共6页
  • 作者

    Li Song-Quan; Ye Hong-An; Liu Chun-Yu; Dou Yin-Feng; Huang Yan;

  • 作者单位

    School of Electronic Engineering,Heilongjiang University,Harbin 150080,China;

    School of Electronic Engineering,Heilongjiang University,Harbin 150080,China;

    School of Electronic Engineering,Heilongjiang University,Harbin 150080,China;

    School of Electronic Engineering,Heilongjiang University,Harbin 150080,China;

    School of Electronic Engineering,Heilongjiang University,Harbin 150080,China;

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  • 正文语种 eng
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