Title :
Power scaling of a 60% efficient, 793 nm pumped, 2 μm large mode area fibre laser
Author :
Lancaster, David G. ; Hernmings, A. ; Bennetts, Shayne ; Jackson, Stuart D.
Author_Institution :
Defence Sci. & Technol. Organ., Edinburgh, SA
Abstract :
A high-power diode-pumped thulium doped double-clad fibre laser has been developed to be used as a low-cost power scalable module. To date a power of 37 W, slope efficiency of 64%, and close to diffraction limited beam quality (M2 ~1.15) has been achieved.
Keywords :
fibre lasers; laser beams; optical fibre cladding; optical pumping; thulium; Jk:Tm; diffraction limited beam quality; efficiency 60 percent; large mode area fibre laser; power 37 W; power scaling; size 2 mum; slope efficiency; thulium doped double-clad fibre laser; wavelength 793 nm; Australia; Fiber lasers; Laser excitation; Laser feedback; Laser modes; Laser theory; Laser tuning; Optical fibers; Power lasers; Pump lasers;
Conference_Titel :
Optical Fibre Technology/Australian Optical Society, 2006. ACOFT/AOS 2006. Australian Conference on
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-0-9775657-1-9
Electronic_ISBN :
978-0-9775657-1-9
DOI :
10.1109/ACOFT.2006.4519260
