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一个3D打印的双材料布拉格基反射阵天线.

Walid Chekkar1, Jerome Lanteri1, Tom Malvaux2

  • 1Laboratory of Electronics, Antennas and Telecommunications (LEAT), CNRS, Université Côte d'Azur, Sophia Antipolis, 06903 Valbonne, France.

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概括
此摘要是机器生成的。

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通过3D打印打印.布拉格镜子的镜子双频带的双频带.毫米波是一种毫米波.光子带间隙的光子带间隙反射数组是反射数组的反射数组.

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科学领域:

  • 电磁学和元材料的使用
  • 增材制造 增材制造 增材制造
  • 天线工程天线工程

背景情况:

  • 反射阵列为抛物线盘提供了一个低调的替代方案,用于光束成型.
  • 在反射阵列中实现多频段操作和所需的带隙特性仍然是一个挑战.
  • 与金属对应物相比,介电反射阵列具有较低损失的吸引力.

研究的目的:

  • 为了展示一款全新的3D打印的完全介电双材料反射阵列.
  • 采用1D Bragg反射器单元单元的多频段应用程序的带隙特征.
  • 通过制造和测量验证拟议的反射阵列的性能.

主要方法:

  • 一个1D布拉格反射器单元电池的设计,具有空间变化的折射率.
  • 3D打印具有特定尺寸 (121.5 mm × 121.5 mm) 和f/D比为0.5.5的双材料反射阵列.
  • 测量反射增益,光圈效率和传输系数.

主要成果:

  • 制造的反射阵列在27 GHz时显示了27.22dBi的测量增益,光圈效率为35.05%.
  • 模拟和测量性能在26-30 GHz频率范围内显示出良好的一致性.
  • 证实了高透明度,39 GHz的传输系数为0.32dB.

结论:

  • 拟议的3D打印介电反射阵列有效地利用1D Bragg反射器进行带隙控制.
  • 由于其可调节的带隙特性,该设计适用于多频段频率应用.
  • 取得的收益,效率和透明度凸显了这项技术在先进的射频系统中的潜力.