Abstract
We demonstrate a continuous-wave (cw) and actively -switched Er : YAG ceramic laser resonantly dual-end-pumped by a fibre-coupled laser diode. A maximum cw output power of at is obtained at an absorbed pump power of , corresponding to a slope efficiency of 19.2 %. In the -switched regime the maximum pulse energy of is reached at a pulse repetition rate of , pulse duration of and absorbed pump power of .
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