Contrast-enhancing polarization control method for surface plasmon imaging sensor

Contrast-enhancing polarization control method for surface plasmon imaging sensor
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表面等离子体成像传感器的对比度增强偏振控制方法

DOI:
10.1117/1.oe.51.9.094402
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发表时间:
2012-09
影响因子:
1.3
通讯作者:
Liu, Xu
Liu, Xu
中科院分区:
工程技术4区
文献类型:
--
作者:
Huang, Zihao;Wang, Xiaoping;Zhan, Shuyue;Liu, Xu

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抽象的。基于表面等离子体共振(SPR)偏振控制理论,提出了一种棱镜偏振控制方法。该方法的工作原理是抑制用于高通量SPR阵列传感器的裸棱镜的反射光。SPR成像传感器的对比度可以在保持高灵敏度的同时得到增强。分析了入射角、波长、偏振片角度和金膜厚度等参数对传感器性能的影响,确定了最佳参数集。模拟了参数误差对SPR曲线的影响,并与金膜偏振控制方法进行了比较。最后,通过实验验证了理论分析,为高灵敏度SPR成像传感器的设计提供了坚实的基础。
Abstract. Based on the surface plasmon resonance (SPR) polarization control theory, a prism polarization control method is proposed. The method works by suppressing the light reflected from the bare prism used for high-throughput SPR array sensors. The contrast of SPR imaging sensors can be enhanced while maintaining high sensitivity. The effects of the proposed method on sensor performance, which is attributable to parameters such as incident angle, wavelength, polarizer angle, and gold film thickness, are analyzed to determine the best set of parameters. The effects of parameter errors on the SPR curve are also simulated and compared with those of the gold film polarization control method. Finally, an experiment is set up to validate the theoretical analysis and provide a solid foundation for the design of a high-sensitivity SPR imaging sensor.
DOI: 10.1364/ao.44.003468
发表时间: 2005-06-10
期刊: APPLIED OPTICS
影响因子: 1.9
作者:
Otsuki, S;Tamada, K;Wakida, S
通讯作者: Wakida, S
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影响因子: --
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影响因子: 1.9
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