Abstract
We present a comprehensive experimental and numerical study of spectral, spatial and polarization features of the widely used THz source - plasma of optical breakdown by a two-color femtosecond laser. We show experimentally presence of high-frequency component of THz radiation related to response of neutral gas molecules. Taking into account evolution of phase and polarization of optical pulses propagating through plasma allows to account for the experimentally observed polarization and spectrum of the emitted pulse.
Original language | English (US) |
---|---|
Title of host publication | IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
ISBN (Electronic) | 9781479982721 |
DOIs | |
State | Published - Nov 11 2015 |
Event | 40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015 - Hong Kong, China Duration: Aug 23 2015 → Aug 28 2015 |
Other
Other | 40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015 |
---|---|
Country/Territory | China |
City | Hong Kong |
Period | 8/23/15 → 8/28/15 |