Manufacturing Anti-Reflective Subwavelength Structures on ZnS Using Femtosecond Laser Bessel Beam with Burst Mode.

Haoran Wang, Biwen Li, Liangbin Hu, Fan Zhang

Abstract read

In one paragraph

Article in Biomimetics (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

Rapid Fabrication of Large-Area Anti-Reflective Microholes Using MHz Burst Mode Femtosecond Laser Bessel Beams.Nanomaterials (Basel, Switzerland) · 2025
Article

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5 · Who and what money

Authors and funding

4 authors.

Haoran WangKey Laboratory of Hunan Province of Equipment Safety Service Technology Under Extreme Environment, University of South China, Hengyang 421001, China.

Biwen LiCollege of Mechanical Engineering, University of South China, Hengyang 421001, China.

Liangbin HuKey Laboratory of Hunan Province of Equipment Safety Service Technology Under Extreme Environment, University of South China, Hengyang 421001, China.

Fan ZhangState Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha 410083, China.

Funding

Project of State Key Laboratory of Precision Manufacturing for Extreme Service Performance of Central South University Kfkt2022-13

6 · The paper itself

Abstract

Increasing the transmittance of zinc sulfide (ZnS) infrared windows can effectively improve the imaging quality of infrared detection. In this study, an anti-reflective subwavelength structure (ASS) was manufactured on ZnS using a femtosecond burst Bessel laser with the goal of achieving high transmittance in the mid-infrared range. The period and depth parameters of the ASS were initially determined using the effective medium approximation (EMA) theory and subsequently optimized using the rigorous coupled-wave analysis (RCWA) method to eliminate surface Fresnel anti-reflections. The depth of the ASS increases with the number of bursts, while the structure profile transitions from Gaussian to conical. In addition, the ASS achieves 86% transmittance in the 7-10 µm range, and the average transmittance improves by 10% in the 5-12 µm range. Moreover, the wide-angle ASS with the hydrophobicity (contact angle 160°) is achieved on the ZnS window. Ultimately, the ASS on ZnS enhances the clarity of the infrared image.

Indexed as

anti-reflective subwavelength structureBessel beamsburst modefemtosecond laser

Identifiers

PMID39590227

DOI10.3390/biomimetics9110655

PMCPMC11591983

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.