Dependence of emission of terahertz radiation on geometrical parameters of dipole photoconductive antennas

Dependence of emission of terahertz radiation on geometrical parameters of dipole photoconductive antennas

The dependence of the emission spectrum of terahertz (THz) radiation on the geometrical parameters of the dipole antenna, and the relationship between these parameters and the temporal characteristics of the transient current that generate THz radiation, is reported. The emission intensity and the p...

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Veröffentlicht in:Applied physics letters 2010-05, Vol.96 (21), p.211104-211104-3
Hauptverfasser: Miyamaru, Fumiaki, Saito, Yu, Yamamoto, Kohji, Furuya, Takashi, Nishizawa, Seizi, Tani, Masahiko
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container_end_page 211104-3
container_issue 21
container_start_page 211104
container_title Applied physics letters
container_volume 96
creator Miyamaru, Fumiaki
Saito, Yu
Yamamoto, Kohji
Furuya, Takashi
Nishizawa, Seizi
Tani, Masahiko
description The dependence of the emission spectrum of terahertz (THz) radiation on the geometrical parameters of the dipole antenna, and the relationship between these parameters and the temporal characteristics of the transient current that generate THz radiation, is reported. The emission intensity and the peak frequency strongly depend on these geometrical parameters. This dependence varies significantly with changes in the temporal characteristics of the transient current. We have also found that the emission efficiency can be increased by increasing the aspect ratio for the dipole.
doi_str_mv 10.1063/1.3436724
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title Dependence of emission of terahertz radiation on geometrical parameters of dipole photoconductive antennas
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