An Annular Fresnel Zone Plate without Central Spots Fabricated by Femtosecond Laser Direct Writing

In recent years, micro-annular beams have been widely used, which has expanded the possibilities for laser processing. However, the current method of generating an annular beam still has shortcomings, such as spot energy at the center of the produced beam. In this study, a Fresnel zone plate with an...

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Detalles Bibliográficos
Autores principales: Sun, Xiaoyan, Zhou, Fang, Duan, Lian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9416768/
https://www.ncbi.nlm.nih.gov/pubmed/36014207
http://dx.doi.org/10.3390/mi13081285