Abstract
We experimentally studied the tunable effects of connective dendritic left-handed metamaterials based on electrorheological fluids. Three influencing factors-the distance of electrodes, the permittivity of embedding media, and the intensity of applied electric fields-are discussed respectively. The experimental results show that the distance of electrodes exhibits an important effect on the transmission peak of the samples. The left-handed transmission peak shifts to lower frequency when the electrorheological fluids infiltrate. Moreover, by changing the intensity of electric field, the left-handed transmission peak can be modulated actively, and the maximum shift is up to 140 MHz.
| Original language | English |
|---|---|
| Pages (from-to) | 3214-3219 |
| Number of pages | 6 |
| Journal | Wuli Xuebao/Acta Physica Sinica |
| Volume | 58 |
| Issue number | 5 |
| State | Published - May 2009 |
Keywords
- Connective dendritic structure
- Electrorheological fluids
- Left-handed transmission peak
- Permittivity
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