Antireflective micro hole array on ZnS surface by femtosecond laser

Kun Zhou; Yanping Yuan; Kaihu Zhang; Chunlian Wang; Jimin Chen

doi:10.1117/12.2690703

17 August 2023 Antireflective micro hole array on ZnS surface by femtosecond laser

Kun Zhou, Yanping Yuan, Kaihu Zhang, Chunlian Wang, Jimin Chen

Proceedings Volume 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023); 127572A (2023) https://doi.org/10.1117/12.2690703
Event: 3rd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2023), 2023, Kunming, China

Abstract

Femtosecond laser was used to fabricate antireflective holes on the surface of ZnS. The micro hole structures were formed by different single laser pulse energy. It was found that with the increase of single pulse energy, the infrared transmittance of ZnS surface decreased. Under optimal parameters (single pulse energy of 0.1 μJ), the average infrared transmittance of ZnS increased to over 79%, 4% improvement compared to the untreated ZnS. The light transmission in planar ZnS and micro hole structures ZnS was simulated by FDTD, which theoretically verified the antireflection property of micro hole structures.

Citation Download Citation

Kun Zhou, Yanping Yuan, Kaihu Zhang, Chunlian Wang, and Jimin Chen "Antireflective micro hole array on ZnS surface by femtosecond laser", Proc. SPIE 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023), 127572A (17 August 2023); https://doi.org/10.1117/12.2690703

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