Abstract

The optical breakdown thresholds are determined for 100-μm-thick polycrystalline plates made from AgBr_0.99I_0.01, Ag_0.95Tl_0.05Br_0.95I_0.05, and AgBr_0.75Cl_0.25 when they are irradiated by a Ho:YAG laser at 2.096 μm (pulse-repetition rate 10 kHz and pulse width 25 ns). The dependences of the transmittances of these samples on the mean power of the laser radiation are obtained. It is shown that the optical breakdown threshold depends on the transmittance of the material. The mean optical breakdown threshold of the samples lies in the region from 0.89±0.09 to 1.13±0.09  J/cm².

© 2019 Optical Society of America

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