Title :
A scaling mechanism for increasing the terahertz emission from ionization of air
Author :
Clerici, Matteo ; Peccianti, Marco ; Schmidt, B.E. ; Caspani, Lucia ; Shalaby, M. ; Giguere, M. ; Lotti, A. ; Couairon, A. ; Legare, Francois ; Ozaki, Takashi ; Faccio, D. ; Morandotti, Roberto
Author_Institution :
INRS-EMT, Varennes, QC, Canada
Abstract :
A significant enhancement of the terahertz generation efficiency via two-color laser-induced air ionization, up to 10-3, is observed with increasing pump wavelength. Terahertz peak fields up to 4.4 MV/cm were obtained using 400 μJ pulse energy.
Keywords :
optical pumping; photoionisation; plasma light propagation; terahertz wave generation; air ionization; energy 400 muJ; pump wavelength; scaling mechanism; terahertz emission; terahertz generation efficiency; terahertz peak fields; two-color laser-induced air ionization; Ionization; Mirrors; Nonlinear optics; Optical pulses; Optimized production technology; Pump lasers; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
