Abstract
Nanosecond single and multiple pulses laser damage studies on electro-optic transparent ceramic PLZT ceramic are performed. The evolution of damage morphology and damage probability threshold under multiple irradiations reveals that fatigue effects are affected by both laser fluence and shot numbers. The bulk damage is caused by themal explosion and self-focusing. Femtosecond single and multiple pulses are also employed to irradiate on the sample. Nonlinear absorption property of sample is studied to analyze different damage mechanism. Investigations on laser-induced damage in PLZT are of high practical importance for high-power laser applications.
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