Title :
Flat-top beam from a 50µm-core Yb-doped leakage channel fiber
Author :
Fanting Kong ; Guancheng Gu ; Hawkins, Thomas W. ; Parsons, Joshua ; Jones, Maxwell ; Dunn, Christopher ; Kalichevsky-Dong, Monica T. ; Wei, Kanxian ; Samson, Bryce ; Liang Dong
Author_Institution :
ECE/COMSET, Clemson Univ., Anderson, SC, USA
Abstract :
Flat-top beam is demonstrated in a 50μm-core leakage channel fiber using a central ytterbium-doped area with an index depression of ~2×10-4, resulting in an effective mode area of ~1880μm2, i.e. >50% increase from uniform core.
Keywords :
fibre lasers; laser beams; laser modes; ytterbium; Yb-doped leakage channel fiber; effective mode area; flat-top beam; index depression; size 50 mum; Fiber lasers; Glass; Indexes; Laser beams; Laser excitation; Laser modes; Optical fibers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Tu3K.5
