Title :
Radiation profile of THz generation in air with different convergence conditions
Author :
Zhong, H. ; Karpowicz, N. ; Zhang, X.-C.
Author_Institution :
Center for THz Res., Rensselaer Polytech. Inst., Troy, NY
Abstract :
We report the relationship between the divergence angle of the terahertz radiation generated in air and the convergence conditions of the optical beam. We find that tighter focusing produces wider divergence angles, but higher power.
Keywords :
high-speed optical techniques; laser beams; nonlinear optics; optical focusing; submillimetre waves; THz generation; divergence angle; focusing; optical beam; Convergence; Laser beams; Lenses; Nonlinear optics; Optical beams; Optical mixing; Optical pulse generation; Optical pumping; Structural beams; Ultrafast optics; 190.4380; 320.7120;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628610
