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  • Title: Resonantly diode-pumped continuous-wave and Q-switched Er:YAG laser at 1645 nm.
    Author: Chang NW, Simakov N, Hosken DJ, Munch J, Ottaway DJ, Veitch PJ.
    Journal: Opt Express; 2010 Jun 21; 18(13):13673-8. PubMed ID: 20588501.
    Abstract:
    We describe an efficient Er:YAG laser that is resonantly pumped using continuous-wave (CW) laser diodes at 1470 nm. For CW lasing, it emits 6.1 W at 1645 nm with a slope efficiency of 36%, the highest efficiency reported for an Er:YAG laser that is pumped in this manner. In Q-switched operation, the laser produces diffraction-limited pulses with an average power of 2.5 W at 2 kHz PRF. To our knowledge this is the first Q-switched Er:YAG laser resonantly pumped by CW laser diodes.
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