ZHANG MEIZHEN, LI CHENGFU. Study of pulse duration dependence of laser-induced damages in optical materials[J]. Acta Optica Sinica, 1985, 5(7): 667
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Laser induced damages in Nd: glass and KDP crystal for pulse duration from 13 to 70ns have been studied. The results indicate that the electric-field threshold for the laser induced damages in transparent dielectrics is inversely proportional to the fourth root of the pulse duration.