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2.1-µm laser of 20-W output power and 4-percent efficiency from Ho3+in sensitized YAG

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2 Author(s)
Devor, D. ; Hughes Research Labs., Malibu, CA, USA ; Soffer, B.H.

The most efficient lamp-pumped laser yet reported has been obtained from the 2.1-μm transition of Ho3+in Er3+-Tm3+sensitized YAG at liquid nitrogen temperatures. Multimode CW output of 20 W, efficiencies up to 4 percent, and 5-W TEM00at 1 percent resulted when tungsten-iodine pump lamps were utilized.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:8 ,  Issue: 2 )