1 September 2004 High-power CW diode-pumped laser operation of Yb3+:CaF2 crystal
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Abstract
We present here the first CW high power laser operation obtained under diode-pumping with an Yb3+:CaF2 crystal. This crystal exhibits good thermo-optical properties and can easily be grown in bulk crystals or in thin films. A maximum power of 5.8 W in a diffraction limited beam has been obtained with a 5% ytterbium-doped crystal of 4 mm-long. Moreover, the laser wavelength has been tuned over 54 nm, between 1018 and 1072 nm, and the double-pass small-signal gain has been measured to be more than 1.8, showing the great potential of Yb3+:CaF2 as a gain media for ultra-short pulses operation or as amplifier.
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Mathieu Jacquemet, Andrea Lucca, Frederick Druon, Francois Balembois, Patrick M. Georges, Vincent Petit, Jean-Louis Doualan, Patrice Camy, Richard Moncorge, "High-power CW diode-pumped laser operation of Yb3+:CaF2 crystal", Proc. SPIE 5460, Solid State Lasers and Amplifiers, (1 September 2004); doi: 10.1117/12.545519; https://doi.org/10.1117/12.545519
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