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Design and fabrication of a chitosan based integrated optical device for humidity sensing

机译:基于壳聚糖的湿度传感集成光学装置的设计与制造

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摘要

Here we report on preparation of planar optical waveguides based on chitosan (DD=80.5%, MW=500kDa) in different salt forms, chitosan/gold nanoparticles, chitosan/gold nanoparticles/silica hybrids with layered structure and modification of Na/K ion-exchange waveguides with thin chitosan/carrageenan multilayers. Chitosan-based optical waveguides with thickness of 0.5- 1.5 μm were obtained on quartz, glass and MgF_2 substrates by spin-coating and dip-coating. For investigation of optical properties, light (wavelength 632 or 532 nm) was coupled into the planar waveguide via the flint glass prism using goniometer. A number of modes, effective refractive index, waveguide propagation losses were determined for all samples in the range of relative humidity 10-99%.
机译:在这里,我们报道了基于壳聚糖(DD = 80.5%,MW = 500kDa)的不同盐形式,壳聚糖/金纳米颗粒,壳聚糖/金纳米颗粒/二氧化硅杂化物的层状结构和Na / K离子改性的平面光波导的制备。薄的壳聚糖/角叉菜胶多层交换波导。通过旋涂和浸涂在石英,玻璃和MgF_2基板上获得厚度为0.5- 1.5μm的壳聚糖基光波导。为了研究光学性能,使用测角计将光(波长632或532 nm)的光通过nm石玻璃棱镜耦合到平面波导中。对于所有样品,在相对湿度10-99%的范围内,确定了多种模式,有效折射率,波导传播损耗。

著录项

  • 来源
    《Metamaterials: Fundamentals and applications IV》|2011年|p.809320.1-809320.7|共7页
  • 会议地点 San Diego CA(US)
  • 作者单位

    Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences,159, prospekt 100-letiya Vladivostoka, Vladivostok 690022, Russia;

    Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences,5, Radio Street, Vladivostok 690041, Russia;

    Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences,159, prospekt 100-letiya Vladivostoka, Vladivostok 690022, Russia;

    Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences,5, Radio Street, Vladivostok 690041, Russia;

    Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences,159, prospekt 100-letiya Vladivostoka, Vladivostok 690022, Russia;

    Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences,5, Radio Street, Vladivostok 690041, Russia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 材料;
  • 关键词

    polymer; waveguide; thin film; chitosan; sensor;

    机译:聚合物;波导;薄膜;壳聚糖传感器;

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