A Broadband Achromatic Metalens

• DOI: 10.1364/fio.2018.fw6e.4
• Publication Date: 2018-10-26T13:47:20Z
• Authors: Yi-Teng Huang; Hsin Yu Kuo; Pin Chieh Wu; Shuming Wang; Ren Jie Lin; Jia-Wern Chen; Yi-Chieh Lai; Cheng Hung Chu; Bo Han Chen; Zhenlin Wang; Tao Li; Shining Zhu; Din Ping Tsai
• Keywords: Achromatic lens; Chromatic aberration; Visible spectrum

Metalens significantly suffers from chromatic aberration issue, which limits its applications on color images. Here we demonstrate the first broadband achromatic metalens in visible wavelength based concept of integrated-resonant unit elements (IRUEs).