Laser ablation of tantalum, two-temperature physics and strength of melt

被引：13

作者：

Ashitkov, S. I. ^{[1
]}

Komarov, P. S. ^{[1
]}

Struleva, E. V. ^{[1
]}

Inogamov, N. A. ^{[1
]}

Agranat, M. B. ^{[1
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Izhorskaya 13 Bldg 2, Moscow 125412, Russia

来源：

XXXII INTERNATIONAL CONFERENCE ON INTERACTION OF INTENSE ENERGY FLUXES WITH MATTER (ELBRUS 2017) | 2018年 / 946卷

基金：

俄罗斯科学基金会;

关键词：

METALS; BEHAVIOR; TIN;

D O I：

10.1088/1742-6596/946/1/012002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ablation of refractory metals with ultrashort laser pulses remains little-studied as opposed to other metals with a relatively low melting temperature like aluminum and gold. In this paper ablation of tantalum by femtosecond laser pulses is investigated. The results of hydrodynamic simulation of surface evolution are compared to experimental data obtained by a time-resolved interferomety method. The aspects of ablation dynamics induced by electronic pressure and acoustic tension at one- and two-temperature stages respectively are investigated theoretically and experimentally. The data on strength of tantalum liquid phase at extension rate of about 10(9) s(-1) are presented.

引用

页数：9

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