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Pis'ma v Zh. Èksper. Teoret. Fiz., 2016, Volume 103, Issue 12, Pages 846–850 (Mi jetpl4985)  

This article is cited in 13 scientific papers (total in 13 papers)


Surface ablation оf aluminum and silicon by ultrashort laser pulses of variable width

D. A. Zayarnya, A. A. Ionina, S. I. Kudryashovabc, S. V. Makarovad, A. A. Kuchmizhakbe, O. B. Vitrikbe, Yu. N. Kulchinb

a Lebedev Physical Institute
b Institute for Automation and Control Processes, Far Eastern Branch, Russian Academy of Science
c National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
d ITMO University
e Far Eastern Federal University

Abstract: Single-shot thresholds of surface ablation of aluminum and silicon via spallative ablation by infrared (IR) and visible ultrashort laser pulses of variable width $\tau_{\mathrm{las}}$ ($0.2$$12$ ps) have been measured by optical microscopy. For increasing laser pulse width $\tau_{\mathrm{las}}<3$ ps, a drastic (threefold) drop of the ablation threshold of aluminum has been observed for visible pulses compared to an almost negligible threshold variation for IR pulses. In contrast, the ablation threshold in silicon increases threefold with increasing $\tau_{\mathrm{las}}$ for IR pulses, while the corresponding thresholds for visible pulses remained almost constant. In aluminum, such a width-dependent decrease in ablation thresholds has been related to strongly diminished temperature gradients for pulse widths exceeding the characteristic electron-phonon thermalization time. In silicon, the observed increase in ablation thresholds has been ascribed to two-photon IR excitation, while in the visible range linear absorption of the material results in almost constant thresholds.

Funding Agency Grant Number
Russian Science Foundation 16-12-10165


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English version:
Journal of Experimental and Theoretical Physics Letters, 2016, 103:12, 752–755

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Received: 12.05.2016
Revised: 18.05.2016

Citation: D. A. Zayarny, A. A. Ionin, S. I. Kudryashov, S. V. Makarov, A. A. Kuchmizhak, O. B. Vitrik, Yu. N. Kulchin, “Surface ablation оf aluminum and silicon by ultrashort laser pulses of variable width”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:12 (2016), 846–850; JETP Letters, 103:12 (2016), 752–755

Citation in format AMSBIB
\by D.~A.~Zayarny, A.~A.~Ionin, S.~I.~Kudryashov, S.~V.~Makarov, A.~A.~Kuchmizhak, O.~B.~Vitrik, Yu.~N.~Kulchin
\paper Surface ablation оf aluminum and silicon by ultrashort laser pulses of variable width
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2016
\vol 103
\issue 12
\pages 846--850
\jour JETP Letters
\yr 2016
\vol 103
\issue 12
\pages 752--755

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    2. Zayarny D.A., Ionin A.A., Kudryashov S.I., Makarov S.V., Kuchmizhak A.A., Vitrik O.B., Kulchin Yu.N., Laser Phys. Lett., 13:7 (2016), 076101  crossref  isi  scopus
    3. A. A. Ionin, S. I. Kudryashov, A. A. Samokhin, Phys. Usp., 60:2 (2017), 149–160  mathnet  crossref  crossref  adsnasa  isi  elib
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