Study on the mechanism of laser-induced breakdown and damage performance of internal defects in transparent materials through local optical field modulation
Yubo Liu,
Jixing Cai,
Yue Zhou
et al.
Abstract:This paper establishes a photothermal damage model for bubble impurities affecting laser optical field modulation based on Mie scattering theory and incorporates the effects of optical field modulation. This model elucidates the evolution mechanism of synergistic damage in fused silica, with simulation results validated through experimental verification. A novel characterization of optical breakdown due to bubble impurities is proposed, occurring on a millisecond timescale through the dynamic evolution of comb… Show more
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