Title :
Narrow-band Terahertz pulses generated by difference-frequency mixing of CO2 laser lines
Author :
Tochitsky, S.Ya. ; Sung, C. ; Joshi, C.
Author_Institution :
Dept. of Electr. Eng., Univ. of California, Los Angeles, CA
Abstract :
2 kW, 200 ns pulses were produced in a noncollinear phase-matched GaAs crystal. The terahertz source tunable in the range 0.5-3.0 THz with a step of 40 GHz is pumped by a dual-beam TEA CO2 laser.
Keywords :
carbon compounds; gallium arsenide; gas lasers; semiconductor lasers; submillimetre wave generation; terahertz wave generation; CO2; GaAs; difference-frequency mixing; frequency 0.5 THz to 3.0 THz; phase-matched crystal; power 2 kW; terahertz pulses; terahertz source; time 200 ns; Biomedical measurements; Frequency conversion; Gallium arsenide; Laser excitation; Narrowband; Optical frequency conversion; Optical pulse generation; Pulse generation; Pump lasers; Tunable circuits and devices;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location :
Pasadena, CA
Print_ISBN :
978-1-4244-2119-0
Electronic_ISBN :
978-1-4244-2120-6
DOI :
10.1109/ICIMW.2008.4665855
