Estimation of the cooling times for a metallic tip under laser illumination

被引：59

作者：

Vurpillot, F ^{[1
]}

Gault, B ^{[1
]}

Vella, A ^{[1
]}

Bouet, M ^{[1
]}

Deconihout, B ^{[1
]}

机构：

[1] UFR Sci, CNRS, Grp Phys Mat, UMR 6634, F-76801 St Etienne, France

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 09期

关键词：

D O I：

10.1063/1.2181654

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The temperature evolution at the apex of a sharply pointed needle submitted to ultrafast pulsed-laser irradiation was determined using a pump-probe method. The laser pulse acts as a pump pulse whereas the probe pulse is a fast high-voltage pulse. Then cooling times are consistent with a heating zone of a few microns with a laser beam polarized along the tip axis and a spot size of 0.8 mm.

引用

页数：3

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