Abstract
It is demonstrated that 2% (called CAlGO) presents favorable thermomechanical properties with a high measured thermal conductivity ( and ). A laser oscillation in this material at is demonstrated for the first time to our knowledge while pumping at . This implies a very small quantum defect (3.5%). A simple new figure of merit that takes into account thermomechanical properties and quantum defects is proposed here to compare the resistance of materials under high-power laser pumping. Consequently, Yb:CAlGO is similar to garnets and sesquioxides in regard to laser power resistance.
© 2005 Optical Society of America
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