Title :
Injection-seeded terahertz-wave generator pumped by an all-solid-state single-mode Q-switch YAG laser
Author :
Guo, Ruixiang ; Akiyama, Koichi ; Minamide, Hiroaki ; Ito, Hiromasa
Author_Institution :
Photodynamics Res. Center, RIKEN, Japan
Abstract :
An all-solid-state tunable injection-seeded THz-wave parametric generator (is-TPG) was developed. It can emit the monochromatic THz-wave over a wide tunable frequency range from 0.4 THz to 2.8 THz. The frequency scanning rate was as fast as 3GHz/second for the step resolution of 6 MHz by using the 500 Hz high-repetition-rate Q-switch Nd:YAG laser as a pump source. The linewidth of the THz-wave was shown to be lower than 40 MHz by the measurement of absorption lines of water vapor at low pressure.
Keywords :
Q-switching; laser modes; light absorption; measurement by laser beam; solid lasers; submillimetre wave generation; submillimetre wave lasers; yttrium compounds; 0.4 to 2.8 THz; 500 Hz; 6 MHz; Q-switch YAG laser; Q-switch laser; Y3Al5O12; absorption lines; all-solid-state laser; frequency scanning rate; injection-seeded terahertz-wave generator; pump source; single-mode laser; terahertz-wave parametric generator; water vapor; Crystals; Frequency; Laser cavity resonators; Laser excitation; Optical imaging; Optical pulse generation; Pulse amplifiers; Pump lasers; Spectroscopy; Tunable circuits and devices;
Conference_Titel :
Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005. The Joint 30th International Conference on
Print_ISBN :
0-7803-9348-1
DOI :
10.1109/ICIMW.2005.1572608
