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Title:The action of a laser on an aluminium target
Authors:Henč-Bartolič, Višnja (Author)
Bončina, Tonica (Author)
Jakovljević, Suzana (Author)
Pipić, Davor (Author)
Zupanič, Franc (Author)
Inštitut za kovinske materiale in tehnologije (Authorship owner)
Files:.pdf Materiali_in_Tehnologije_2008_Henc-Bartolic_et_al._The_action_of_a_laser_on_an_aluminium_target.pdf (324,07 KB)
MD5: 9FFD6FD4705DC382E0CEE9542FBD3806
URL http://mit.imt.si/Revija/izvodi/mit083/henc-bartolic.pdf
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:A nitrogen laser beam (337 nm, 6 ns (FWHM), (3.2 [plus minus] 0.2) mJ) was focused with a quartz lens (f = 100 mm) onto an aluminium target in air at normal pressure. The laser irradiation and plasma explosion caused a modification to the Al surface and the deposition of a thin film (droplets) onto a glassy carbon plate. The irradiated target and the deposited material were studied with a scanning electron microscope (SEM) and a focused-ion-beam (FIB) device. A crater surrounded by a rim was produced on the spot of maximum irradiation on the aluminium target. The crater, very deep in comparison to its width and thickness, was presumably caused by the Kelvin-Helmholtz and the Rayleigh-Taylor instabilities. The temperatures of the electron and the massive particles were explained.
Keywords:aluminium, laser ablation, thin film deposition, instabilities, temperatures
Year of publishing:2008
Number of pages:str. 111-115
Numbering:št. 3, Letn. 42
ISSN on article:1580-2949
COBISS_ID:678058 New window
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Record is a part of a journal

Title:Materiali in tehnologije
Shortened title:Mater. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
COBISS.SI-ID:106193664 New window

Secondary language

Title:Obsevanje aluminijaste tarče z laserjem
Abstract:Žarek laserske svetlobe (337 nm, 6 ns ((FWHM), (3.2 [plus minus] 0.2) mJ) smo s kremenovo lečo (f = 100 mm) fokusirali na aluminijevo tarčo, ki je bila na zraku pri normalnem zračnem tlaku. Obsevanje z laserjem in eksplozija plazme sta povzročila spremembo površine aluminija ter nanos tanke plasti in kapljic na steklasto ogljikovo ploščico. Obsevano tarčo in nanesen material smo raziskali z vrstičnim elektronskim mikroskopom (SEM) in s fokusiranim ionskim curkom (FIB). Na aluminijevi tarči je na najbolj obsevanem mestu nastal krater, ki je bil zelo globok v primerjavi z njegovo širino in debelino. Krater je bil povzročen zaradi Kelvin-Helmholtzove in Rayleigh-Taylorjeve nestabilnosti. V delu smo razložili tudi temperaturo elektronov in temperaturo masivnih delcev.
Keywords:aluminij, laserska ablacija, nanašanje tanke plasti, nestabilnosti, temperatura


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