Behavior of 355 nm laser-induced damage growth in fused silica

Liu, Hufeng; Wang, Biyi; Miao, Xinxiang; Xu, Man; Liu, Xinyi; Zhang, Fawang; Lü, Tianquan; Qiu, Rong; Guo, Decheng; Zhou, Qiang; Jiang, Yong

doi:10.1016/j.optlastec.2022.108847

Cited by 4 publications

(3 citation statements)

References 25 publications

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“…The shock wave generated in the plasma zone primarily interacts with the cavity wall when it propagates within the cavity, promoting crack growth in the process. Previous studies have shown that with an increase in the number of laser irradiations, the shock wave propagation capacity, wavefront velocity, and pressure are significantly reduced [15]. The size of the damage cavity affects the interaction time between the shock wave and the cavity, which in turn affects the amount of energy absorbed by the cracks.…”

Section: Resultsmentioning

confidence: 99%

“…The experimental system is in accordance with the schematic diagram of the time-resolved pump-probe shadowgraphy technique presented in the [15]. The pump laser used had a wavelength of 355 nm and a half-height width (FWHM) of 8 ns.…”

Section: Methodsmentioning

confidence: 99%

“…The dynamic behavior of the morphology and crack propagation during damage growth on fused silica rear surfaces shows that the shock wave also produces a more severe attenuation during this process [15]. The modified equation proposed by Zeng et al [14] is inadequate for analyzing and predicting the propagation of shock waves during the growth process.…”

Section: Introductionmentioning

confidence: 99%

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Characteristics of shock wave in 355 nm laser-induced damage growth in fused silica

Liu,

Miao,

Wang

et al. 2024

J. Phys. D: Appl. Phys.

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During the 355 nm laser-induced damage growth in fused silica, the distance of shock wave propagation decreases as the irradiation number increases. The dynamic image of the damage reveals that the growth of the damage cavity region is one of the primary reasons for the variation in shock wave propagation distance and structure. The growth coefficient and the depth-to-diameter ratio of the cavity are closely related to the decrease in shock wave propagation distance. Based on the Taylor-Sedov theory, this work presents a modified scaling that couples the growth coefficient with the depth-to-diameter ratio. The calculated results are in agreement with the experiment. It is a valuable complement to the study of shockwave propagation characteristics of damage growth.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%