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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 1080-1083 |
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esmaeili M, arabanian A S, masoodi R. Investigation of the formation of microbump and microjet structures on the surface of thin metal film irradiated with femtosecond laser pulses and the effect of pulse parameters on these structures. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :1080-1083
URL: http://opsi.ir/article-1-2686-en.html
URL: http://opsi.ir/article-1-2686-en.html
Abstract: (583 Views)
Recently, in material processing science, ultra-short pulsed lasers have received a lot of attention because of their unique properties such as ultra-short pulse duration, high intensity and low energy threshold required for laser processing. Irradiating of the surface of the metal film deposited on the glass substrate by femtosecond laser pulse can lead to the formation of structures in the form of bumps, jets, etc. with dimensions of the order of micrometers on the surface of the metal film. The size and shape of these structures depend on the laser pulse and the metal film parameters. In this paper, the formation of bump-shaped and jet-shaped structures on a gold metal film that has been irradiated by ultra-short pulse is simulated by using two-temperature and elastoplastic models. Then, the effect of incident pulse parameters such as pulse length, pulse energy and fluence and focal diameter on the height of the formed structure is investigated.
Keywords: ultra-short laser pulse and metal Interaction, Laser Processing, Elasto-plastic theory, Two-Temperature. Model
Type of Study: Experimental |
Subject:
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