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00945 am a22001453u 4500 |
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78478 |
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|a dc
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|a Farries, M.C.
|e author
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|a Morkel, P.R.
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|a Townsend, J.E.
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|a Samarium<sup>3+</sup>-doped glass laser operating at 651nm
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|c 1988.
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|z Get fulltext
|u https://eprints.soton.ac.uk/78478/1/343.pdf
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|a Laser emission has been observed in a samarium<sup>3+</sup>-doped silica optical fibre in a Fabry-Perot-type laser cavity. The emission is centred on 651 nm and corresponds to stimulated transitions from the <sup>4</sup>G<sub>5/2</sub> level to the <sup>6</sup>H<sub>9/2</sub> level. The fluorescence and absorption associated with the metastable level are seen to be unusually narrow (3nm FWHM) for a trivalent rare earth in a disordered glass structure. The laser has operated in CW and Q-switched modes when pumped with 488 nm light at room temperature.
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