Title :
Over 25W nanosecond vortex laser based on a stressed Yb-doped fiber power amplifier
Author :
Koyama, Mio ; Shimomura, Akito ; Hirose, Tetsuya ; Miyamoto, Katsuhiko ; Omatsu, Takashige
Author_Institution :
Grad. Sch. of Adv. Integration Sci., Chiba Univ., Chiba, Japan
Abstract :
26.5W of nanosecond vortex laser based on a stressed Yb-doped fiber amplifier was demonstrated. The peak power of 70 kW was obtained, corresponding to optical-optical efficiency of 41 %.
Keywords :
optical fibre amplifiers; optical vortices; power amplifiers; ytterbium; fiber power amplifier; nanosecond vortex laser; power 25 W; power 26.5 W; power 70 kW; Fiber lasers; Optical fiber amplifiers; Optical fiber devices; Optical fiber polarization; Optical vortices; Power amplifiers; Power lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
