Polarization-Controlled Femtosecond Laser Texturing Enables Robust Antifouling Stainless Steel Surfaces.

Eunyeop Ji, Daesik Ko, Chan Hyeon Yang, Vassilia Zorba, Jung Hwan Park, Kyueui Lee, Minok Park

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Article in Molecules (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Eunyeop JiDepartment of Mechanical and Automotive Engineering, Kongju National University, Cheonan 31080, Republic of Korea.

Daesik KoDepartment of Chemistry, Kyungpook National University, Daegu 41566, Republic of Korea.

Chan Hyeon YangDepartment of Mechanical Engineering (Department of Aeronautics, Mechanical and Electronic Convergence Engineering), Kumoh National Institute of Technology, 61, Daehak-ro, Gumi, Gyeongbuk 39177, Republic of Korea.

Vassilia ZorbaEnergy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

Jung Hwan ParkDepartment of Mechanical Engineering (Department of Aeronautics, Mechanical and Electronic Convergence Engineering), Kumoh National Institute of Technology, 61, Daehak-ro, Gumi, Gyeongbuk 39177, Republic of Korea.

Kyueui LeeDepartment of Chemistry, Kyungpook National University, Daegu 41566, Republic of Korea.ORCID 0000-0002-1622-8806

Minok ParkDepartment of Mechanical and Automotive Engineering, Kongju National University, Cheonan 31080, Republic of Korea.ORCID 0000-0002-5113-3706

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this work, we demonstrate precise control over laser-induced periodic surface structures (LIPSS) on stainless steel (SS) using femtosecond (fs) laser processing to suppress bacterial adhesion. We systematically compare the antifouling behavior of laser-textured surfaces with distinct pattern directionalities-linear and circular. Fs laser irradiation with linear polarization produces directional and anisotropic LIPSS, which progressively evolve into more complex hierarchical surface textures as processing conditions vary. In contrast, fs laser irradiation with circular polarization yields isotropic surface morphologies. Despite these morphological differences, the surface wettability remains nearly constant, with contact angles confined to a narrow range of 32.6-36.9°. Bacterial adhesion tests using

Indexed as

antifoulingcontact anglesfemtosecond laser processinglaser-induced periodic surface structures

Identifiers

PMID41683457

DOI10.3390/molecules31030480

PMCPMC12899152

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