2011
DOI: 10.1103/physrevb.84.094104
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Damage and ablation thresholds of fused-silica in femtosecond regime

Abstract: We present an experimental and numerical study of the damage and ablation thresholds at the surface of a dielectric material, e.g., fused silica, using short pulses ranging from 7 to 300 fs. The relevant numerical criteria of damage and ablation thresholds are proposed consistently with experimental observations of the laser irradiated zone. These criteria are based on lattice thermal melting and electronic cohesion temperature, respectively. The importance of the three major absorption channels (multi-photon … Show more

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Cited by 255 publications
(184 citation statements)
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“…Though the LeeMore model allows different temperatures of electrons and ions, only equilibrium curves T e = T i are available in the paper 18 . The Lee-More results are available for the density 2.5 g/cm 3 . We did not perform calculation for that particular density, but our data for the surrounding densities 2.…”
Section: The Lee-more Modelmentioning
confidence: 99%
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“…Though the LeeMore model allows different temperatures of electrons and ions, only equilibrium curves T e = T i are available in the paper 18 . The Lee-More results are available for the density 2.5 g/cm 3 . We did not perform calculation for that particular density, but our data for the surrounding densities 2.…”
Section: The Lee-more Modelmentioning
confidence: 99%
“…This discrepancy is most probably due to the used technical parameters (discussed in our previous work 39 ). The approach of Inogamov and Petrov also neglects the difference connected with the change of density from 2.35 g/cm 3 to 2.70 g/cm 3 . This change of the density increases thermal conductivity approximately by a factor 1.2 39 .…”
Section: The Inogamov-petrov Modelmentioning
confidence: 99%
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“…For such pulses, the electron dynamics in the timedependent field of the pulse be described in terms of the density matrix whose evolution is determined by rate equations with phenomenological relaxation and generation times [19][20][21][22][23] . In this description, the effect of the pulse electric field is restricted to generation of an electronhole plasma through multiphoton or collisional ionization processes.…”
Section: Introductionmentioning
confidence: 99%
“…The calculated F th is in agreement with previous findings, albeit measured in the bulk rather than the surface of the glass. 15,26 We then implemented our method to find the scattering lengths and ablation thresholds of freshly harvested inferior porcine vocal folds, having two distinct layers: an epithelium and a collagen-rich superficial lamina propia (SLP) below the epithelium [ Fig. 2(b)].…”
mentioning
confidence: 99%