Full Current Model for Terahertz Wave Generation from Femtosecond Laser Filament Under External Electric Fields

Yuchen Hui; Jiayu Zhao

doi:10.3788/AOS202242.0114002

Journals >Acta Optica Sinica >Volume 42 >Issue 1 >Page 0114002 > Article

Acta Optica Sinica
Vol. 42, Issue 1, 0114002 (2022)

Full Current Model for Terahertz Wave Generation from Femtosecond Laser Filament Under External Electric Fields

Yuchen Hui and Jiayu Zhao^*

Author Affiliations

School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

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DOI: 10.3788/AOS202242.0114002 Cite this Article Set citation alerts

Yuchen Hui, Jiayu Zhao. Full Current Model for Terahertz Wave Generation from Femtosecond Laser Filament Under External Electric Fields[J]. Acta Optica Sinica, 2022, 42(1): 0114002 Copy Citation Text

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Current spectrum of laser wake field and current spectra induced by different external electric field Eex(l)

Fig. 1. Current spectrum of laser wake field and current spectra induced by different external electric field

E_{ex}^{(l)}

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Far-field radiation distributions of terahertz wave under longitudinal electric field Eex(l). (a) 0 kV/cm; (b) 5 kV/cm; (c) 10 kV/cm

Fig. 2. Far-field radiation distributions of terahertz wave under longitudinal electric field

E_{ex}^{(l)}

. (a) 0 kV/cm; (b) 5 kV/cm; (c) 10 kV/cm

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Fig. 3. Far-field THz radiation distributions under different transverse electric field

E_{ex}^{(t)}

. (a) 0 kV/cm; (b) 0.1 kV/cm; (c) 1 kV/cm; (d) 10 kV/cm

Yuchen Hui, Jiayu Zhao. Full Current Model for Terahertz Wave Generation from Femtosecond Laser Filament Under External Electric Fields[J]. Acta Optica Sinica, 2022, 42(1): 0114002

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