Title :
Impact of modal interference on the output beam properties of large-core cladding-pumped fiber amplifiers
Author :
Chan, J.S.P. ; Wang, P. ; Sahu, J.K. ; Clarkson, W.A.
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton
Abstract :
Modal interference in few-moded large-core fiber amplifiers can yield output beams with good beam quality (M2~1.2 - 1.4) giving the impression of single-mode operation despite significant higher-order mode content. The implications for high-power devices are discussed.
Keywords :
laser beams; laser modes; optical fibre amplifiers; optical fibre cladding; optical pumping; beam quality; cladding-pumped fiber amplifiers; few-moded fiber amplifiers; high-power devices; higher-order mode content; large-core fiber amplifiers; modal interference; output beam properties; single-mode operation; Fiber lasers; Fiber nonlinear optics; Interference; Laser beams; Laser modes; Operational amplifiers; Optical fiber amplifiers; Optical fiber devices; Power amplifiers; Power generation; (140.3510) Lasers, fiber; (140.4480) Optical amplifiers;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
