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01095 am a22001813u 4500 |
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77859 |
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|a dc
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|a Offerhaus, H.L.
|e author
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|a Broderick, N.G.R.
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|a Richardson, D.J.
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|a Sammut, R.A.
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|a Caplen, J.
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|a Dong, L.
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|a High energy single transverse mode Q-switched fiber laser based on multi-mode large mode area erbium doped fiber
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|c 1998.
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|z Get fulltext
|u https://eprints.soton.ac.uk/77859/1/1688.pdf
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|a 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.
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|a Article
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