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Preparation and Application of Metal Nanoparticals Elaborated Fiber Sensors

机译:金属纳米颗粒的制备及应用阐述纤维传感器

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摘要

In recent years, surface plasmon resonance devices (SPR, or named plamonics) have attracted much more attention because of their great prospects in breaking through the optical diffraction limit and developing new photons and sensing devices. At the same time, the combination of SPR and optical fiber promotes the development of the compact micro-probes with high-performance and the integration of fiber and planar waveguide. Different from the long-range SPR of planar metal nano-films, the local-SPR (LSPR) effect can be excited by incident light on the surface of nano-scaled metal particles, resulting in local enhanced light field, i.e., optical hot spot. Metal nano-particles-modified optical fiber LSPR sensor has high sensitivity and compact structure, which can realize the real-time monitoring of physical parameters, environmental parameters (temperature, humidity), and biochemical molecules (pH value, gas-liquid concentration, protein molecules, viruses). In this paper, both fabrication and application of the metal nano-particles modified optical fiber LSPR sensor probe are reviewed, and its future development is predicted.
机译:近年来,表面等离子体共振器件(SPR或命名普隆索)引起了更多的关注,因为它们在突破光学衍射极限和开发新的光子和传感装置方面的巨大前景。同时,SPR和光纤的组合促进了具有高性能和光纤和平面波导的集成的紧凑型微探针的开发。与平面金属纳米膜的远程SPR不同,局部SPR(LSPR)效应可以通过入射光在纳米缩放的金属颗粒表面上进行激发,导致局部增强光场,即光学热点。金属纳米颗粒改性光纤LSPR传感器具有高灵敏度和紧凑的结构,可以实现物理参数,环境参数(温度,湿度)和生化分子的实时监测(pH值,气液浓度,蛋白质分子,病毒)。在本文中,综述了金属纳米粒子的制造和应用,改性光纤LSPR传感器探针,并预测了未来的发展。

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