SPR sensor based on a bi-diffractive grating

机译：基于双衍射光栅的SPR传感器

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We report a surface plasmon resonance (SPR) sensor based on two-plasmon-spectroscopy on a special bi-diffractive grating and investigate its ability to distinguish contributions to sensor response due to surface refractive index changes (i.e. binding) and due to refractive index changes in the whole sample. Theoretical analysis yielding an estimate of an error of such decomposition is presented and used to compare performance of this sensor to that of an alternative approach based on simultaneous excitation of short-range and long-range surface plasmons on a thin metallic layer.

机译：我们报告基于特殊双衍射光栅上的双等离子体光谱的表面等离子体共振（SPR）传感器，并研究其区分由于表面折射率变化（即结合）和折射率变化引起的传感器响应贡献的能力在整个样本中。提出了对这种分解的误差进行估计的理论分析，并将其用于将该传感器的性能与基于在薄金属层上同时激发短距离和长距离表面等离子体激元的另一种方法的性能进行比较。

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来源
《Optical Sensing Technology and Applications; Proceedings of SPIE-The International Society for Optical Engineering; vol.6585》|2007年|65851Y.1-65851Y.9|共9页
会议地点 Prague(CZ)
作者
P. Adam; J. Dostalek; O. Telezhnikova; J. Homola;
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作者单位

Institute of Photonics and Electronics, Academy of Sciences of the Czech Republic Chaberska 57, 182 51 Prague, Czech Republic;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 TP212;
关键词
surface plasmon resonance; grating coupler; optical sensor; biosensor; spectroscopy of surface plasmons; noise; resolution;

机译：表面等离子体共振；光栅耦合器光学传感器生物传感器表面等离子体激元光谱；噪声;解析度;

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SPR sensor based on a bi-diffractive grating

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