3D printed metasurface for generating a Bessel beam with arbitrary focusing directions

In this Letter, a metasurface combined with emerging 3D printing technology is proposed. The proposed metasurface regards the simple cube ...

Source: Optics Letters - October 28, 2021 Category: Physics Authors: Mei-Jun Qu Wen-Yu Li Ting Zeng Jian-Xun Su Wei-Li Song Source Type: research