https://doi.org/10.1051/epjconf/20135918007
THz radiation from an ultrashort-laser-induced fast spark dense plasma
1 Utsunomiya University, Department of Advanced Interdisciplinary Sciences, Yoto 7-1-2, Utsunomiya, Japan
2 Japan Science and Technology Agency, CREST, 4-1-8 Honcho, Kanagawa, Japan
3 University of Nevada, Department of Physics, Mail Stop 220, Reno, Nevada, USA
4 Osaka University, Graduate School of Engineering, 2-6 Yamada-oka, Suita, Osaka, Japan
a e-mail: yugami@cc.utsunomiya-u.ac.jp
Published online: 15 November 2013
We demonstrate a frequency-tuning scheme that uses laser pulse duration to control the ultrafast-discharge current timescale. We also propose a simple physical model to explain the generation of terahertz radiation by laser propagation in an ultrafast-discharge.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
