Fabrication of three-dimensional terahertz photonic crystals with diamond structure by particle manipulation assembly
Fabrication of three-dimensional terahertz photonic crystals with diamond structure by particle manipulation assembly
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DOI：
10.1063/1.3069283
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发表时间：
2009-01
影响因子：
4
通讯作者：
K. Takagi;A. Kawasaki
中科院分区：
文献类型：
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作者：
K. Takagi;A. Kawasaki
报道了利用三维粒子操纵组装技术制备太赫兹光子晶体的研究。我们的方法基于拾取和放置操作和粒子间激光焊接，能够精确组装任意3D结构，而不考虑粒子的多分散性。利用这种方法，我们制备了直径为400 μm的ZrO 2/聚乙烯复合颗粒金刚石晶体。所获得的晶体在1111兆赫方向上表现出光子禁带;该结果与理论结果非常一致，表明该晶体在0.2 THz左右具有全光子带隙。
We reported the fabrication of terahertz photonic crystals by three-dimensional (3D) particle manipulation assembly. Our method, which is based on pick-and-place manipulation and interparticle laser welding, enabled accurate assembling of an arbitrary 3D structure, regardless of particle polydispersity. By using this method, we fabricated a diamond crystal from ZrO2/polyethylene composite particles (diameter of 400 μm). The obtained crystal exhibited a photonic stop gap in the ⟨111⟩ direction; this result was in good agreement with the theoretical result, suggesting that the crystal has a full photonic bandgap at around 0.2 THz.