title: Achieving an ultra-uniform diffraction pattern of stray light with metallic meshes by using ring and sub-ring arrays.
abstract: We provide theoretical and experimental evidence that introducing metallic rings and sub-rings in mesh unit cells significantly decreases the high-order diffraction energy. Moreover, rotating the sub-rings results in increased uniformity in the diffraction distribution without affecting the transmittance. Experiments show that the triangular ring mesh with rotated sub-rings exhibits a normalized visible transmittance greater than 95% as well as an ultra-uniform diffraction pattern of stray light, whose maximal normalized high-order diffraction energy is lower than 0.0167%. This kind of metallic mesh will be favorable in transparent electromagnetic interference shielding devices and touch screens.
authors.forename: Zhengang
authors.initials: Z
authors.lastname: Lu
authors.forename: Heyan
authors.initials: H
authors.lastname: Wang
authors.forename: Jiubin
authors.initials: J
authors.lastname: Tan
authors.forename: Limin
authors.initials: L
authors.lastname: Ma
authors.forename: Shen
authors.initials: S
authors.lastname: Lin