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宽带特拉赫兹全息使用非线性等离子元表面.

Zixian Hu1, Symeon Sideris2,3, Cormac McDonnell2,3

  • 1Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.

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概括
此摘要是机器生成的。

研究人员开发了新的潘查拉特纳姆-贝里相非线性超表面发射器,用于先进的太赫兹 (THz) 全息. 这些发射器可实现宽带THz光束生成和多功能场操纵,用于THz信息处理.

关键词:
潘查拉特纳姆-贝利阶段多功能的全息图.非线性元面是指非线性元面.太赫兹技术是太赫兹技术.

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科学领域:

  • 光子学和元材料研究
  • 特拉赫兹 (THz) 技术技术

背景情况:

  • 太赫兹 (THz) 波对于通信,传感和生物医学工程中的应用至关重要.
  • 开发具有复杂场操纵能力的宽带THz发射器对于推进这些应用至关重要.

研究的目的:

  • 开发Pancharatnam-Berry阶段非线性超表面发射器,用于宽带和多功能THz全息.
  • 为了证明复杂的THz场操纵的能力,使用超表面全息图.

主要方法:

  • 设计和制造两种类型的Pancharatnam-Berry阶段非线性元表面全息图.
  • 标尺全息成像和双极化全息成像的实验演示.
  • 宽带频率响应的表征高达2.0 THz.

主要成果:

  • 成功演示了宽带THz光束生成和多功能THz场操纵.
  • 实现了同时的宽带THz光束生成和复杂的现场控制.
  • 在广泛的THz频率范围内对全息成像的实验验证.

结论:

  • 潘查拉特南-贝里阶段非线性超表面发射器显示出作为高效THz源的巨大潜力.
  • 这些发射器适用于先进的THz频率信息处理应用.
  • 开发的 metasurfaces 允许同时宽带 THz 束生成和多功能场操纵.