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基于亚波长正弦形格子的阿齐木斯控制的多色转移.

Tuo Yang1, Yihang Zhou1, Hongguang Li1

  • 1State Key Laboratory of Radio Frequency Heterogeneous Integration, Ministry of Education/Guangdong Province Key Laboratory of Optoelectronic Devices and Systems, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.

Nanophotonics (Berlin, Germany)
|November 10, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的方法,用于使用亚波长网格的动态变色设备. 这种方法简化了制造,并提高了诸如光学防伪等应用的性能.

关键词:
打击假冒和伪造的行为.引导模式共振的指导模式.侧面状格子 侧面状格子 侧面状格子结构色彩 结构色彩一个子波长格子格子.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术

背景情况:

  • 低波长网格使可调节的光谱响应用于光学防伪和装饰.
  • 传统设备的结构复杂,调整有限,效率低,成本高.

研究的目的:

  • 提出动态多色移动装置的设计方法,以简化结构和提高性能.
  • 为了使单个设备模板通过亚齐木斯通角度旋转实现颜色转移.

主要方法:

  • 利用严格的合波分析 (RCWA) 和免疫算法来优化格子参数.
  • 为了简化制造,将矩形格子转换为侧边形结构.
  • 设计的四色和五色转移装置基于波长下阴形格子.

主要成果:

  • 所有目标颜色的峰值反射率超过45%,最高达到89%.
  • 通过低成本暴露全息干扰测量成功制造了一种四色转移装置.
  • 与传统设备相比,证明了简化的结构和增强的光学性能.

结论:

  • 拟议的设计方法为动态光学设备提供了一种具有成本效益和高性能的方法.
  • 简化的侧面格子结构提高了大型应用的制造可行性.
  • 这项工作为先进的光学防伪和表面装饰技术提供了新的途径.