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Efficient laser emission at 2μm is demonstrated from Tm:Sc 2 SiO 5 crystal under end-pumping with a continuous wave (cw) diode laser at 790nm. A maximum output power of 1.02W is obtained for the incident pump power of 6.78W, corresponding to an optical-to-optical efficiency with respect to the incident pump power of 14.7%. At this output level the spectrum of emission was centered...
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