期刊
APPLIED PHYSICS LETTERS
卷 100, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3665180
关键词
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资金
- Australian Research Council (ARC) [DP110100262, DP1092717, DP1095151, DP0988673, DP1097281]
- Centres of Excellence scheme
- Australian Research Council [DP1097281, DP0988673] Funding Source: Australian Research Council
In this work, we characterize the electromagnetic properties of polydimethylsiloxane (PDMS) and use this as a free-standing substrate for the realization of flexible fishnet metamaterials at terahertz frequencies. Across the 0.2-2.5 THz band, the refractive index and absorption coefficient of PDMS are estimated as 1.55 and 0-22 cm(-1), respectively. Electromagnetic modeling, multi-layer flexible electronics microfabrication, and terahertz time-domain spectroscopy are used in the design, fabrication, and characterization of the metamaterials, respectively. The properties of PDMS add a degree of freedom to terahertz metamaterials, with the potential for tuning by elastic deformation or integrated microfluidics. (C) 2012 American Institute of Physics. [doi:10.1063/1.3665180]
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