Abstract
Nonlinear optical characteristics of transparent PLLZT ceramics have been examined. The ceramic samples have been prepared by various hot-pressing temperatures, pressures and soaking times, and optimum fabrication condition has been experimentally decided by the density, average grain diameter and optical transmittance measurements. An intense SHG light was observed for the first time on PLLZT ceramics when the ceramics were pumped by a Q-switched high repetition rate Nd3+ glass laser light. A conversion efficiency was about 0.17% at 13 MW pump power.
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