Title :
Beam cleanup in a self-aligned gradient index Brillouin cavity for high power multimode fiber amplifiers
Author :
Lombard, L. ; Brignon, A. ; Huignard, J.P. ; Lallier, E. ; Georges, P.
Author_Institution :
Thales Res. & Technol. - France, Palaiseau
Abstract :
We describe a beam cleanup setup to convert a multimode beam into a singlemode beam by stimulated-Brillouin-scattering in a multimode gradient-index fiber. A M2=6.5 beam is converted into a M2=1.3 beam with 31% efficiency.
Keywords :
gradient index optics; laser beams; laser cavity resonators; laser modes; optical fibre amplifiers; stimulated Brillouin scattering; beam cleanup setup; efficiency 31 percent; high power multimode fiber amplifier; multimode beam; multimode gradient-index fiber; self-aligned gradient index Brillouin cavity; singlemode beam; stimulated-Brillouin-scattering; Brillouin scattering; Fiber lasers; Geometry; High power amplifiers; Laser beams; Laser excitation; Optical fiber amplifiers; Optical fiber polarization; Power generation; Pulse amplifiers; 060.2320; 190.4370; 190.5890; 290.5900;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628214
