CRITERION FOR SELECTION OF cw LASER HOST MATERIALS TO INCREASE AVAILABLE POWER IN THE FUNDAMENTAL MODE
- 1 September 1970
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 17 (5) , 213-215
- https://doi.org/10.1063/1.1653370
Abstract
Present Nd:YAG lasers are subject to thermal birefringence and bifocusing which contribute to large reductions in polarized and/or fundamental mode output when the laser is pumped at high average powers. By replacing the cubic YAG host with a suitably oriented birefringent host material, this limitation can be overcome. We suggest this consideration as an important criterion for the selection of crystalline laser host materials, since an order-of-magnitude increase in the brightness of cw lasers may result. One new material which has the required properties is YAlO3.Keywords
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