Title :
Acousto-optic Q-switched pulse fiber laser with the peak power of 17.33kW
Author :
Liu, Guiqi ; Wang, Ji ; Li, Wenjing ; Wang, Guozheng ; Chen, Kai ; Lin, Lin ; Liu, Yang ; Liu, Yong
Author_Institution :
Sch. of Sci., Changchun Univ. of Sci. & Technol., Changchun, China
Abstract :
An acousto-optic Q-switched pulse fiber laser was presented, and the output power of 20.1W was obtained by using the one-stage Ytterbium-doped double-cladding fiber amplification The repetition frequency of the pulse fiber laser was tunable in the range of 20-80 kHz. By adjusting the rise time of the acousto-optic modulator, we obtained the pulse output with pulse width of 58ns and peak power of 17.33kW, when the repetition frequency was 20kHz. The change of pulse width along with rise time of the modulator was measured. The effect of modulation signal duty ratio on output pulse properties was analyzed.
Keywords :
Q-switching; acousto-optical modulation; fibre lasers; laser tuning; optical fibre cladding; optical pulse generation; ytterbium; Q-switched pulse; acousto-optic modulator; acousto-optical effects; fiber laser; frequency 20 kHz to 80 kHz; modulation signal duty ratio; output pulse properties; power 17.33 kW; repetition frequency; time 58 ns; ytterbium-doped double-cladding fiber amplification; Fiber lasers; Frequency modulation; Optical fiber amplifiers; Optical fiber communication; Optical fiber devices; Power amplifiers; Acousto-optic Q-switch; Fiber laser; Peak power;
Conference_Titel :
Optoelectronics and Microelectronics (ICOM), 2012 International Conference on
Conference_Location :
Changchun, Jilin
Print_ISBN :
978-1-4673-2638-4
DOI :
10.1109/ICoOM.2012.6316241
