Abstract
Single crystals of Ho-doped CaYAlO4 crystals with 1.0% and 0.5% holmium concentration have been grown by Czochralski technique in N2 atmosphere. Due to the randomly distributing of Ca2+ and Y3+ ions in the crystal structure, the doped Ho3+ ions show a broad absorption and fluorescence bands. So it can be efficiently utilized to obtain ultrafast pulse generation in time range of pico- or even femtoseconds. Moreover, Ho:CYA laser was operated pumped by Tm:fiber laser, and the maximum output laser power of 2.38 W for 1.0% Ho:CaYAlO4 was obtained.
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