Formation of periodic nanostructures on aluminum surface by femtosecond laser pulses

被引：24

作者：

Golosov E.V. ^{[1
]}

Ionin A.A. ^{[2
]}

Kolobov Y.R. ^{[1
]}

Kudryashov S.I. ^{[2
]}

Ligachev A.E. ^{[3
]}

Makarov S.V. ^{[2
,4
]}

Novoselov Y.N. ^{[2
]}

Seleznev L.V. ^{[2
]}

Sinitsyn D.V. ^{[2
]}

机构：

[1] Belgorod State University, Belgorod

[2] Lebedev Physical Institute, Russian Academy of Sciences, Moscow

[3] Prokhorov Institute of General Physics, Russian Academy of Sciences, Moscow

[4] Moscow Engineering Physics Institute, National Research Nuclear University, Moscow

来源：

Nanotechnologies in Russia | 2011年 / 6卷 / 3-4期

关键词：

Electron Temperature; Femtosecond Laser; Femtosecond Laser Pulse; Aluminum Surface; Interferential Model;

D O I：

10.1134/S199507801102008X

中图分类号：

学科分类号：

摘要：

One-dimensional periodic nanostructures have been produced on the surface of an aluminum specimen using femtosecond laser pulses at wavelengths of 744 and 248 nm. The nanostructurization of the specimen has been conducted in water and in air in the preablation regime. We investigate the dependence that the surface topology has on the parameters of laser radiation (wavelength, fluence, and number of pulses), as well as on the medium in contact with the specimen surface. A calculation of the optical characteristics of aluminum as they depend on the electron temperature is performed that is good at describing the dependence that the reflection of the p-polarized infrared femtosecond pulses of pumping has on the fluence. Using these optical characteristics of the photoexcited aluminum within the interferential model, periods of the aluminum surface nanogratings are estimated which are in good agreement with the periods measured experimentally. © 2011 Pleiades Publishing, Ltd.

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页码：237 / 243

页数：6

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