Abstract
The nonlinear material KTA (potassium titanyl arsenate, KTiOAsO4) has attracted interest because of its potential advantages over the related material KTP (potassium titanyl phosphate, KTiOPO4) in certain nonlinear applications. In particular, KTA has lower absorption in the 3-5-mm spectral region compared to KTP,1,2 which is advantageous for mid-IR optical parametric oscillators, and it is reported to have a higher damage threshold than KTP.3
© 1996 Optical Society of America
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