Fresnel zone plate array fabricated by femtosecond laser

Peichao Wu; Xiaowen Cao; Ji Wang; Zhihao Chen; Hongbin Yuan; Ling Zhao; Mina Zhang; Wenwu Zhang

doi:10.1117/12.2605597

1 November 2021 Fresnel zone plate array fabricated by femtosecond laser

Peichao Wu, Xiaowen Cao, Ji Wang, Zhihao Chen, Hongbin Yuan, Ling Zhao, Mina Zhang, Wenwu Zhang

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 120571W (2021) https://doi.org/10.1117/12.2605597
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

Micro-optical element has the advantages of miniaturization and integration, has developed rapidly. Many kinds of micro-optical elements have been proposed, designed and fabricated, due to their unique optical properties, showing great application prospects. The Fresnel zone plate (FZP), a kind of diffractive optical elements, which were convenient for design, process, and has the advantages of thin, lightweight, have been attained a lot of researches. Femtosecond laser processing has the ability of flexibility and accuracy, combined with High precision platform with three-axis, which can be used for fabricate FZP array rapidly. In this letter, a novel FZP array with the same focal length on the surface of the fused quartz fabricated with femtosecond laser direct writing by precise control and optimization of femtosecond processing parameters. As formed FZP array exhibited unique optical performance of imaging, which have important applications in the fields of the integrated optical imaging system.

Citation Download Citation

Peichao Wu, Xiaowen Cao, Ji Wang, Zhihao Chen, Hongbin Yuan, Ling Zhao, Mina Zhang, and Wenwu Zhang "Fresnel zone plate array fabricated by femtosecond laser", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 120571W (1 November 2021); https://doi.org/10.1117/12.2605597

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KEYWORDS

Femtosecond phenomena

Fused quartz

Optical imaging

Optical components

Zone plates

Imaging systems

Array processing

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