Spectral and temporal characteristics of metallic nanoparticles produced by femtosecond laser pulses

We study the time of flight optical emission from titanium and tungsten nanosized particles, generated through femtosecond laser-matter interaction in vacuum, in the wavelength spectral range from 300 to 900 nm. Typical spectra consist of broadband structureless signals similar to black body emissio...

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Bibliographic Details
Published in:Applied surface science 2006, Vol.252 (13 SPEC. ISS.), p.4360-4363
Main Authors: Scuderi, D., Benzerga, Ratiba, Reynier, Bertrand, Albert, Olivier, Etchepare, Jean
Format: Article
Language:English
Subjects:
Engineering Sciences
Mechanical engineering
Mechanics
Physics
Online Access:Get full text
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Summary:We study the time of flight optical emission from titanium and tungsten nanosized particles, generated through femtosecond laser-matter interaction in vacuum, in the wavelength spectral range from 300 to 900 nm. Typical spectra consist of broadband structureless signals similar to black body emission from a macroscopic object. Nanoparticles temperature, deduced from their emission spectra, decreases drastically as a function of their time of arrival at a given distance from the target. This behaviour is seen to be independent of individual particle velocities. © 2005 Elsevier B.V. All rights reserved.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2005.06.056