期刊
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
卷 32, 期 5, 页码 570-579出版社
SPRINGER
DOI: 10.1007/s10762-010-9648-6
关键词
Split-ring resonators; Metamaterials; THz polaritonics; Near-field imaging
资金
- Swiss National Science Foundation [200020-119934]
- LIMAT
- Swiss National Science Foundation (SNF) [200020-119934] Funding Source: Swiss National Science Foundation (SNF)
We present an experimental approach to record the spatiotemporal electric field distribution of coherent broadband THz pulses propagating through planar metamaterial arrays. The electric field can be measured with sub-wavelength precision within a volume that is several wavelengths in size, thus, having the potential to map the near-field to far-field transition of the resonant structures constituting the metamaterial. To demonstrate the potential we present measurements of THz pulses propagating through a planar array of double split-ring resonators and their inverse analogues.
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