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Nanoantenna with electrically tunable radiation pattern

机译：具有电可调谐辐射模式的纳米尼纳

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摘要

In this article, an electrical approach is proposed for the purpose of tuning and beamform-ing of the radiation pattern of the nanoantenna. Interestingly, the main lobe direction of nanoantenna can be controlled and formed in a certain solid angle. The simulated results can be extremely useful in medical applications. In fact, we suggest a mechanism based on DC contacts as external sources, which are positioned around a nanostructure. On this basis, the main beam of the radiation pattern has the potential to turn with applying a DC voltage to each one of the contacts. In other words, the variation of DC voltage in contacts helps to rotate the radiation pattern of nanoantenna in a specific direction. The considered configuration as a nanoantenna is a core-shell spherical particle, which is composed of Silica and Gold. Moreover, the arrays of core-shell nanoantenna on the silver substrate and even without that are investigated. As a particular result, beamforming occurs by means of changing the DC voltage of contacts in the mentioned configuration of the core-shell nanoantenna. The operation frequency of all structures is equal to 550 THz (545 nm) as well.
机译：在本文中，提出了一种用于调谐和波束成形的纳米NANNA的辐射图案的目的。有趣的是，可以以一定的实心角度控制和形成纳米南纳的主叶方向。模拟结果在医疗应用中非常有用。实际上，我们建议一种基于DC触点的机制作为外部来源，其定位在纳米结构周围。在此基础上，辐射图案的主束具有将DC电压施加到每个触点的每个梁。换句话说，触点中的直流电压的变化有助于在特定方向上旋转纳米南纳的辐射图案。作为纳米植物的考虑构型是核心壳球形颗粒，其由二氧化硅和金组成。此外，还研究了银基材上的核 - 壳纳米纳米阵列，即使没有这种情况。作为一个特定的结果，通过更换核心壳纳米纳尼纳的提到的构造中的改变触点的直流电压来进行波束成形。所有结构的操作频率也等于550至THz（545nm）。

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  • 来源
    《Optical and quantum electronics》 |2020年第4期|222.1-222.14|共14页
  • 作者

    Amir Maghoul; Ali Rostami; I. S. Amiri;

  • 作者单位

    Signal Processing Group Department of Electronic Systems Norwegian University of Science and Technology Trondheim Norway Photonics and Nanocrystal Research Lab. (PNRL) Faculty of Electrical and Computer Engineering University of Tabriz 5166614761 Tabriz Iran;

    Photonics and Nanocrystal Research Lab. (PNRL) Faculty of Electrical and Computer Engineering University of Tabriz 5166614761 Tabriz Iran SP-EPT Lab. ASEPE Company Industrial Park of Advanced Technologies 5364196795 Tabriz Iran;

    Computational Optics Research Group Advanced Institute of Materials Science Ton Duc Thang University Ho Chi Minh City Vietnam Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Core-shell nanoantenna; DC voltage; Radiation pattern; Contacts; Core-shell nano-array; Silver substrate;

    机译：核心壳纳米南纳纳;直流电压;辐射模式;联系人;核心壳纳米阵列;银基质;

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