7 April 1999 Laser-induced instability in transparent materials induced by low-absorbing microinclusion
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Abstract
There are reviewed and summarized several theoretical models describing various mechanisms of developing of laser-induced temperature and field instabilities in both absorbing and nonabsorbing microinclusions. The key points are different mechanisms of positive feedbacks between laser-field and matter parameters connected with laser-induced variations of both refraction and absorption. Most attention is paid to application of the models to investigation of laser-induced damage of transparent materials, in particular, evaluation of damage-threshold fluence. General criterion for evaluation of damage threshold is deduced from the presented models are discussed.
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Anastasia S. Gruzdeva, Vitali E. Gruzdev, Vladimir L. Komolov, Mikhail N. Libenson, "Laser-induced instability in transparent materials induced by low-absorbing microinclusion", Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, (7 April 1999); doi: 10.1117/12.344441; https://doi.org/10.1117/12.344441
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KEYWORDS
Absorption

Laser induced damage

Refraction

Laser damage threshold

Semiconductors

Positive feedback

Laser development

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