Title :
Intense and ultra-broadband Terahertz generation from metal foil
Author :
Cunlin Zhang ; Liangliang Zhang ; Kaijun Mu
Author_Institution :
BeiJing Key Lab. for Terahertz Spectrosc. & Imaging, Capital Normal Univ., Beijing, China
Abstract :
It has been observed that Terahertz (THz) wave was radiated from nanostructured metal gratings and metal films, which was illuminated by femtosecond laser pulse. In this paper, we got more than 60μ J intense single THz pulse, and the maximum spectrum was distributed from 0.3 to 149 THz. Theoretical calculation was performed to explain the generation mechanism.
Keywords :
metallic thin films; terahertz wave generation; terahertz wave spectra; femtosecond laser pulse; frequency 0.3 THz to 149 THz; generation mechanism; intense single terahertz pulse; intense terahertz generation; maximum spectrum; metal films; metal foil; nanostructured metal gratings; terahertz wave; ultrabroadband terahertz generation; Delays; Metals; Nonlinear optics; Optical pumping; Pump lasers; Ultrafast optics;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665532
