Abstract

Laser damage thresholds are reported for two unpoled and one poled KTiOPO4 crystals under similar experimental conditions. For the TEM00 mode of a Nd:YAG laser, the fluence and power density values for the unpoled crystals (23–33 J/cm2 and 2–3 GW/cm2, respectively) were higher than for the poled crystal (10–17 J/cm2 and 0.8–1.3 GW/cm2). Even for a poled KTP, the damage threshold is higher than potassium dihydrogen phosphate or KDP (6–9 J/cm2).

© 1989 Optical Society of America

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