Title :
Annular mode of ytterbium-doped fiber laser with radial polarization under bi-directional pumping
Author :
Li, Jian-lang ; Ueda, Ken-ichi
Author_Institution :
Inst. for Laser Sci., Univ. of Electro-Commun., Tokyo
Abstract :
The oscillation of Yb fiber laser with radial polarization is demonstrated. A converging Brewster axicon is used as the radial-polarization mode selector. So far, 39-mW output power is obtained at 460-mW launched pump power with 13.8% slope efficiency.
Keywords :
fibre lasers; laser modes; lenses; light polarisation; optical pumping; ytterbium; Brewster axicon; Jk:Yb; annular mode; bidirectional pumping; power 39 mW; power 460 mW; radial polarization; ytterbium-doped fiber laser; Bidirectional control; Fiber lasers; Laser beams; Laser excitation; Laser modes; Mirrors; Optical fiber polarization; Pump lasers; Surface emitting lasers; Surface waves;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391459
