The study of photocurrent and power of THz radiation photoconductive antennas based on GaAs dependence on geometry of focusing and radiation parametres of femtosecond laser

5th International Conference of Photonics and Information Optics

Chistyakov, A.A.^2 ; Kozlovskii, K.I.^2 ; Kotkovskii, G.E.^2 ; Kuzishchin, Yu A^2 ; Krivenkov, V.A.^2 ; Mityagin, Yu. A^1 ; Piryazev, I.N.^2

National Research Nuclear University MEPhI, Moscow Engineering Physics Institute, 31 Kashirskoe shosse, Moscow

115409, Russia^1

P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 53 Leninskiy Prospekt, Moscow

119991, Russia^2

关键词: Electrode gap;    Femtosecond (fs) laser;    Focal spot;    LT-GaAs;    Photoconductive antennas;    Power densities;    THz emission;    THz radiation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/737/1/012020/pdf
DOI  :  10.1088/1742-6596/737/1/012020

来源: IOP

【 摘 要 】

The results of experimental study of the effect of the focal spot location and the power density of radiation of femtosecond (FS) laser within the electrode gap of LT-GaAs photoconductive antenna on the photocurrent and average THz emission power are presented.