Design and performance of Al-based ultraviolet communication film

Teng Ma; Xiangy Luo; Jingb Wang; Jiaq Gao; Yali Zhao

doi:10.1117/12.3046209

5 December 2024 Design and performance of Al-based ultraviolet communication film

Teng Ma, Xiangy Luo, Jingb Wang, Jiaq Gao, Yali Zhao

Proceedings Volume 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024); 134180O (2024) https://doi.org/10.1117/12.3046209
Event: 15th International Conference on Information Optics and Photonics (CIOP2024), 2024, Xi’an, China

Abstract

In view of the requirements of ultraviolet (UV) communication for high UV transmittance in the solar blind area and inhibition of other bands, the G|(Al/MgF₂)'s periodic film structure composed of Al and MgF₂ was designed in this paper. TFCalc was used to investigate the influence rule of single-layer metal film thickness on its transmittance and the influence of G|(Al/MgF₂)'s period number on its transmittance. Then, the structure of G|(Al/MgF₂)'s was optimized, and the period number was found to be three. When the film was Al (10 nm)/MgF₂ (60 nm)/Al (10 nm)/MgF₂ (60 nm)/Al (10 nm)/MgF₂ (37 nm), the transmittance in the band of 212–233 nm was greater than 60%, and the peak transmission value was 72.09%. The cutoff of visible light and near-infrared light is up to 2.8 OD. The communication film has a cutoff similar to the metal Al with the same thickness, but the UV transmittance is increased by 65%. When the incidence angle increases, the transmittance peak has a blue shift and decreases accordingly.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Teng Ma, Xiangy Luo, Jingb Wang, Jiaq Gao, and Yali Zhao "Design and performance of Al-based ultraviolet communication film", Proc. SPIE 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024), 134180O (5 December 2024); https://doi.org/10.1117/12.3046209

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