Theoretical analysis based on mirror symmetry for tightly focused vector optical fields

Yue Pan, Zhi Cheng Ren, Ling Jun Kong, Chenghou Tu, Yongnan Li, Hui Tian Wang

科研成果: 期刊稿件文章同行评审

4 引用 (Scopus)

摘要

A theoretical analysis based on mirror symmetry is proposed to analyze and predict the symmetry in intensity, phase and polarization distributions of the tightly focused vector optical field (VOF). We extend the analysis to more cases including more complicated polarization states and weak focusing cases. We further show the symmetric tightly focused fields of the eccentric cylindrical VOF and the redesigned VOF with a radially variant polarization state, which are achieved by redesigning the polarization state of the incident VOF based on the symmetry analysis. We also take the laser fabrication as an example to further show how to apply this symmetry analysis in a specific application area. Such a theoretical analysis can improve the calculation efficiency, provide new insights into the tight focusing process and offer a convenient way to engineer the field distributions in the focal plane, which may have potential applications in areas needing flexibly controllable tightly focused fields, such as laser fabrication, optical trapping, and optical storage.

源语言英语
页(从-至)23416-23432
页数17
期刊Optics Express
28
16
DOI
出版状态已出版 - 3 8月 2020
已对外发布

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Pan, Y., Ren, Z. C., Kong, L. J., Tu, C., Li, Y., & Wang, H. T. (2020). Theoretical analysis based on mirror symmetry for tightly focused vector optical fields. Optics Express, 28(16), 23416-23432. https://doi.org/10.1364/OE.399070