Title :
Er-Yb-doped LMA fiber structures for high energy amplification of narrow linewidth pulses at 1.5μm
Author :
Canat, G. ; Lombard, L. ; Durécu, A. ; Jolivet, V. ; Bourdon, P. ; Jetschke, S. ; Unger, S. ; Kirchhof, J. ; Müller, H.R.
Author_Institution :
ONERA/DOTA, Palaiseau
Abstract :
A high-energy (0.6 mJ), narrow-linewidth fiber MOPA is built using Erbium-Ytterbium doped large-mode-area fibers. Pedestal and multifilament core fiber structures are compared. The multifilament fiber shows the best beam quality (M2 ~1.9) and stability.
Keywords :
amplification; erbium; optical fibre amplifiers; ytterbium; Er; LMA fiber structures; Yb; beam quality; beam stability; energy 0.6 mJ; high energy amplification; high-energy narrow-linewidth fiber MOPA; large-mode-area fibers; multifilament core fiber; pedestal fiber; wavelength 1.5 mum; Doped fiber amplifiers; Laser beams; Laser stability; Optical fiber amplifiers; Optical fiber communication; Optical fiber polarization; Optical pumping; Preamplifiers; Pulse amplifiers; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452924
