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Ki, Hyungson
Laser Processing & Multiphysics Systems Laboratory
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  • Laser materials processing

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Femtosecond laser patterning based on the control of surface reflectance

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dc.contributor.author Lee, Keunhee ko
dc.contributor.author Ki, Hyungson ko
dc.date.available 2019-08-22T01:58:45Z -
dc.date.created 2019-08-16 ko
dc.date.issued 2019-11 ko
dc.identifier.citation APPLIED SURFACE SCIENCE, v.494, pp.187 - 195 ko
dc.identifier.issn 0169-4332 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/27260 -
dc.description.abstract In this study, we present a femtosecond laser patterning method based on the control of surface reflectance. This laser patterning method is based on the laser-induced periodic surface structure (LIPSS), and we first studied how the LIPSS pattern evolves and the corresponding surface reflectance changes as process parameters are varied in a large process window. It was found that the reflectance of stainless steel can be changed from 66% to 5%, and by choosing the proper parameters, elegant patterns can be fabricated. Using the method, a multi-faceted ball was successfully fabricated by employing 22 surface reflectance values. The mechanism behind the reflectance change and the effect of the shield gas on the surface morphology and patterning quality were also investigated. ko
dc.language 영어 ko
dc.publisher Elsevier B.V. ko
dc.title Femtosecond laser patterning based on the control of surface reflectance ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85069749406 ko
dc.identifier.wosid 000487838900024 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.apsusc.2019.07.163 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0169433219321993?via%3Dihub ko
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