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Enhanced plasmonic biosensors based on microstructured optical fibers

机译:基于微结构光纤的增强型等离子体生物传感器

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摘要

Plasmonic devices using microstructured optical fibers are particularly well suited for the development of high sensitivity chemical and biochemical sensors, thanks to their intrinsic microfluidic properties. We review the most recent literature on such sensors, comparing different types and approaches. Then, we present some examples of the design/analysis using finite-element software tools. In particular, a sensor for liquid analytes based on a birefringent solid-core microstructured optical fiber is discussed in detail. This device has six holes, quite a limited number in comparison to other structures with similar performances, whose geometrical characteristics can be tailored to optimize the power fractions carried by the core and plasmon modes at the loss-matching points in the analyte layer depending on the analyte refractive index.
机译:由于其固有的微流体特性,使用微结构光纤的等离子设备特别适合开发高灵敏度的化学和生化传感器。我们回顾了有关此类传感器的最新文献,比较了不同类型和方法。然后,我们提供一些使用有限元软件工具进行设计/分析的示例。特别地,详细讨论了基于双折射固体芯微结构光纤的用于液体分析物的传感器。该设备具有六个孔,与具有类似性能的其他结构相比,数量非常有限,可以根据几何形状调整其几何特性,以优化分析物层中损耗匹配点处的核和等离子体激元模式所携带的功率分数。分析物的折射率。

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