Realization of Variable Three-Dimensional Terahertz Metamaterial Tubes for Passive Resonance Tunability

1. Chen Zaichun^1,2, 
2. Mohsen Rahmani^1,3,
3. Gong Yandong², 
4. Chong Tow Chong^1,4,
5. Hong Minghui^1,*

1. 1. ¹
      Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576
   2. ²
      Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, Singapore 138632
   3. ³
      Data Storage Institute, ASTAR, DSI Building, 5 Engineering Drive 1, Singapore 117608
   4. ⁴
      Singapore University of Technology and Design, 287 Ghim Moh Road #04-00, Singapore 279623
   Email: Hong Minghui (elehmh@nus.edu.sg)
   ^*Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576.
   
   
   Abstract
    
   
   
A three-dimensional metamaterial tube is fabricated by rolling up 2D metamaterials on flexible PEN substrate. This novel 3D design of metamaterials can be used to effectively tune the resonance frequency by varying its diameter. Meanwhile, it can also be applied in material identification with a solid-core metamaterials tube.

... Characterization: The characterization is carried out by terahertz time- domain spectroscopy
(THz-TDS, Teraview TPS3000) in transmission mode. The axis of the 3D metamaterials tube
is kept parallel to the propagation direction of the incident terahertz wave, as illustrated ...

for full paper see Adv. Mater.. doi: 10.1002/adma.201104575

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