Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3463466
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Funding
- National Basic Research Program of China (973) [2007CB310407]
- NSFC [60801023]
- International S&T Cooperation Program of China [2007DFR10250]
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An active terahertz (THz) metamaterial with vanadium dioxide (VO2) cut-wire resonators fabricated on glass substrate was proposed, and THz time-domain spectroscopy was used to probe the temperature-tuned electromagnetic properties. By thermal-triggering the insulator-metal phase transition of VO2, THz transmission signals through the metamaterial exhibit a significant decline with amplitude over 65%. Numerical simulations confirm the observations are due to the metallization of the VO2 film with increasing temperature. (C) 2010 American Institute of Physics. [doi:10.1063/1.3463466]
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