Title :
Highly efficient 70W all-fibre Tm-doped laser system operating at 1908nm
Author :
Frith, Gavin ; Carter, Adrian ; Samson, Bryce ; Farroni, Julia ; Farley, Kevin ; Tankala, Kanishka
Author_Institution :
Nufern, East Granby, CT
Abstract :
Achieving efficient operation from 790 nm-pumped Tm-doped fibres at wavelengths <1.95 mum requires careful attention to fibre and device design. We present a high-efficiency MOPA producing 70 W at 1908 nm with 53% slope efficiency from the PA stage.
Keywords :
laser beams; optical fibre amplifiers; optical pumping; thulium; JkJk:Tm; all-fibre thulium-doped laser system; efficiency 53 percent; fibre device design; high-efficiency MOPA; laser beam efficiency; master oscillator power amplifier; power 70 W; wavelength 1908 nm; wavelength 790 nm; Absorption; Diodes; Fiber lasers; Laser modes; Optical fiber amplifiers; Optical fiber devices; Optical pumping; Oscillators; Temperature; Thermal management;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610638
