Slope efficiency of a pulsed 2.8-µm Er3+:LiYF4 laser


Spring, R. and Pollnau, M. and Wittwer, S. and Lüthy, W. and Weber, H.P. (1996) Slope efficiency of a pulsed 2.8-µm Er3+:LiYF4 laser. In: Advanced Solid State Lasers, 31 January - 2 February 1996, San Francisco, CA (pp. pp. 309-311).

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Abstract:A 40 % slope efficiency from a pulsed Er3+:LiYF4 is
demonstrated under cw Timpphire pumping. This
value clearly exceeds the Stokes limit of 35% due to
energy recycling fiom lower to upper laser level. With
reduction of the pump-pulse duration a decrease of the
slope efficiency and an increase of the threshold is
experimentally observed and confirmed by a computer
simulation. An approximate function following an
exponential law can be used to describe the dependence
of the slope efficiency on the pump-pulse duration.
Item Type:Conference or Workshop Item
Copyright:© 2009 Optical Society of America
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