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澳门星际官方网站-纳米尺度光纤研究获突破,可发展新型光波导传感器

文章出处:www.aLaskamusic.net 人气:11发表时间:2017/3/2 8:55:58

    近日,中国科学技术大学专家与美国马里兰大学医学院、西南科技大学理学院专家合作,提出了一种新型光学模式——存在于多层介质薄膜与纳米光纤复合结构中的一维布洛赫表面波,并利用该模式成功解决了极细聚合物纳米光纤在常规衬底上无法传输光信号的技术难题。

Recently, the Chinese University of Science and Technology experts and the University of Maryland School of Medicine, Southwest University of Science and Technology College of Science experts, proposed a new optical model - exist in multi-layer dielectric film and nano-fiber composite structure of one-dimensional Bloch surface Wave, and the use of this model successfully solved the extremely fine polymer nano-fiber in the conventional substrate can not transmit optical signal technical problems.

  众所周知,微米尺度光纤的巨大成就造就了互联网行业的高度发达和世界的迅速“变小”。因此,微光纤基础理论获得了2009年诺贝尔物理学奖。如今,纳米尺度的光纤成为国际前沿研究热点。聚合物纳米光纤由于具有良好的机械性能,尤其是其弹性和柔韧性很好,而且可以通过化学设计改变其材料的特性,是构筑超紧凑光子学器件和微型化集成光子回路的之一。

  As we all know, the great achievements of micron-scale fiber created a high degree of development of the Internet industry and the world's rapid "smaller." Therefore, the basic theory of micro-fiber won the 2009 Nobel Prize in Physics. Today, nano-scale fiber has become an international frontier research hotspot. Polymeric nanofibers are one of the first choice for building ultra-compact photonic devices and miniaturized integrated photonic circuits because of their excellent mechanical properties, especially their flexibility and flexibility. They can also change the properties of their materials by chemical design.

  但是其材质柔性、长径比巨大,必须放在衬底上,如常用的玻璃或硅片,才能真正实用化,发展新型纳米光波导传感器件等,而当纳米光纤半径很小,例如小于125nm时,放置玻璃上的纳米光纤将无法传输光信号。

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But its material is flexible, the aspect ratio is huge, must be placed on the substrate, such as the commonly used glass or silicon, can really practical, the development of new nano-optical waveguide sensor, and when the nano-fiber radius is small, for example, less than 125nm When placing the nano-fiber on the glass will not be able to transmit the optical signal.

  为了解决这个问题,课题组利用结构参数精心设计多层介质薄膜来支撑聚合物纳米光纤,借助多层薄膜的光子带隙来阻止纳米光纤中光信号的泄漏。实验结果表明,在该多层介质薄膜上,极细纳米光纤完全可以传输光信号。

The following are the same as the "

In order to solve this problem, the research group designed the multilayer dielectric film with structural parameters to support the polymer nanometer fiber, and the photonic bandgap of the multilayer film was used to prevent the leakage of the optical signal in the nanometer fiber. The experimental results show that the ultra-fine nanofibers can transmit optical signals on the multilayer dielectric thin films.

  据介绍,该研究工作得到了科技部、自然科学基金委、能源化学协同创新中心、安徽省杰出青年基金等项目经费的支持。相关样品制作工艺得到了中国科学技术大学微纳研究与制造中心的仪器与技术支持。

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According to reports, the research work has been the Ministry of Science and Technology, the National Natural Science Foundation, Energy and Chemical Collaborative Innovation Center, Anhui Province outstanding youth fund project support. The relevant sample production process has been the University of Science and Technology of China micro-nano research and manufacturing center of the instrument and technical support.

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