Terahertz emission properties from YBCO thin film log-periodic antennas

Terahertz emission properties from YBCO thin film log-periodic antennas

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...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2001-09, Vol.362 (1), p.319-323
Hauptverfasser: Saijo, Hitoshi, Morimoto, Masahiko, Kiwa, Toshihiko, Tonouchi, Masayoshi
Format: Artikel
Sprache:eng
Schlagworte:
Femtosecond laser
Log-periodic antenna
Polarization
Terahertz radiation
YBa 2Cu 3O 7− δ
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Zusammenfassung: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.
ISSN:0921-4534
1873-2143
DOI:10.1016/S0921-4534(01)00696-7