Title :
Terahertz energy scaling and saturation in two-color laser filamentation
Author :
Oh, Tong ; You, Y.S. ; Jhajj, N. ; Rosenthal, E. ; Milchberg, H.M. ; Kim, K.Y.
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Univ. of Maryland, College Park, MD, USA
Abstract :
We study broadband terahertz generation via two-color femtosecond laser filamentation with laser input energy up to 60 mJ. We find that the output THz energy strongly saturates due to ionization-induced laser defocusing in filamentation.
Keywords :
high-speed optical techniques; optical saturation; photoionisation; terahertz wave generation; broadband terahertz generation; energy 60 mJ; ionization-induced laser defocusing; terahertz energy saturation; terahertz energy scaling; two-color femtosecond laser filamentation; Fluorescence; Focusing; Laser theory; Measurement by laser beam; Optical filters; Plasmas;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
