High energy single transverse mode Q-switched fiber laser based on multi-mode large mode area erbium doped fiber
Offerhaus, H.L., Broderick, N.G.R., Richardson, D.J., Sammut, R., Caplen, J. and Dong, L. (1998) High energy single transverse mode Q-switched fiber laser based on multi-mode large mode area erbium doped fiber. Optics Letters, 23, (21), 1683-1685. (doi:10.1364/OL.23.001683).
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We demonstrate that appropriately designed doped multi-mode fibers provide robust single mode output when used within a fiber laser cavity. Using a novel large mode area fiber we demonstrate record single mode (M2 < 1.2) pulse energies of > 0.5mJ from a Q-switched fiber laser and even higher pulse energies (as high as 0.85mJ) with slightly compromised spatial mode quality (M2 < 2.0). The approach offers significant scope for extending the range of single mode output powers and energies achievable from fiber laser/amplifier systems.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||29 Apr 2013 16:37|
|Contributors:||Offerhaus, H.L. (Author)
Broderick, N.G.R. (Author)
Richardson, D.J. (Author)
Sammut, R. (Author)
Caplen, J. (Author)
Dong, L. (Author)
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