Lees, G.P., Cole, M.J. and Newson, T.P.
Narrow linewidth, Q-switched erbium doped fibre laser
Electronics Letters, 32, (14), . (doi:10.1049/el:19960874).
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We report a narrow linewidth, diode pumped, high power Q-switched Erbium doped fibre laser for the application of Landau-Placzek temperature sensing. An output coupler consisting of an in-fibre Bragg grating enables narrow linewidth operation. A linewidth of 1.3 GHz is reported with a peak power of 100 Watts and a pulse width of 20 ns at a repetition rate of 200 Hz.
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