Laser Ablation of Metals by Low-Density Picosecond Pulses


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Thresholds of laser ablation ofmetals for the picosecond range of laser pulse duration are determined. Within the two-temperature metal model, the space-time dependences of the electron and lattice temperature are obtained. It is shown that ablation parameters become dependent on the pulse duration at the pulse duration τpτie, where τie is the cooling time of the electron gas. For noble metals, such pulse durations are τp ≈ 3 − 10 ps.

作者简介

I. Zavestovskaya

National Research Nuclear University “MEPhI”; Lebedev Physical Institute

Email: kanavin@sci.lebedev.ru
俄罗斯联邦, Kashirskoe sh. 31, Moscow, 115409; Leninskii pr. 53, Moscow, 119991

A. Kanavin

Lebedev Physical Institute; National Research Nuclear University “MEPhI”

编辑信件的主要联系方式.
Email: kanavin@sci.lebedev.ru
俄罗斯联邦, Leninskii pr. 53, Moscow, 119991; Kashirskoe sh. 31, Moscow, 115409

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