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Diode-pumped Tm:CALGO lasers operating on the 3H4 → 3H5 transition

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The performance of the diode-pumped Tm:CALGO laser operating on the 3H4 → 3H5 Tm3+ transition was studied in detail by employing the crystals with different Tm3+ doping levels in the range of 1.5 at.% to 5 at.%, and Watt-level continuous-wave laser operation ... ...