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Terahertz emission properties from YBCO thin film log-periodic antennas

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Volume
362
Identifiers
DOI: 10.1016/s0921-4534(01)00696-7
Keywords
  • Terahertz Radiation
  • Femtosecond Laser
  • Yba2Cu3O7− δ
  • Log-Periodic Antenna
  • Polarization
Disciplines
  • Physics

Abstract

Abstract We study terahertz (THz) radiation properties from high- T c superconductor thin film log-periodic antennas. Three sets of wire grid polarizers are employed to characterize the frequency-dependent polarization of the THz beam. The polarized radiation has clear resonance at frequencies corresponding to the antenna structures. The polarization patterns are thus well explained by the antenna structures.

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