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CaF 2 :Yb fluoride laser ceramics, prepared by hot-forming, exhibit the same optical properties as starting single crystals. Slope efficiency of the Сa 0.95 Yb 0.05 F 2.05 is equal to 35% in the pulsed mode of laser operation. Decrease of ytterbium concentration in CaF 2 :Yb samples down to 3mol.% resulted in the essential improvement of Сa 0.97 Yb ...
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