Abstract
Frequency conversion of kilowatt class slab lasers requires careful management of the thermal gradients produced in the doubling crystal as a result of optical absorption. There are several ways to configure the doubter to accomplish this,1 but the architecture most suited to the output of kilowatt class slab lasers is a transverse gradient design. We have measured relevant materials parameters for KD*P, lithium iodate, and d-LAP, and we have constructed a prototype KD*P doublet and investigated its behavior under thermal load.
© 1989 Optical Society of America
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