High Power 2.09μm Laser Output Using Tm-Ho Co-doped YAG Crystal: A Sensitized Approach
One attractive method for achieving high power 2.09μm laser output is through the utilization of Tm-Ho co-doped YAG crystal. Tm3+ acts as a sensitizer, which enables this system to be directly pumped by commercial LDs operating at 781 or 785 nm. Additionally, the two-for-one cross-relaxation mechanism of Tm3+ offers high pump quantum efficiency.
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