Meta-Fresnel elements functioned by pixelated one-dimensional gratings with space-variant frequencies and orientations

Hong Ye; Yu Gu; Shangliang Wu; Yan Ye; Linsen Chen

doi:10.1117/12.2515584

25 October 2018 Meta-Fresnel elements functioned by pixelated one-dimensional gratings with space-variant frequencies and orientations

Hong Ye, Yu Gu, Shangliang Wu, Yan Ye, Linsen Chen

Author Affiliations +

Proceedings Volume 10823, Nanophotonics and Micro/Nano Optics IV; 108231J (2018) https://doi.org/10.1117/12.2515584
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

Abstract

By imparting local, space-variant phase changes on an incident electromagnetic wave, metasurfaces are capable of manipulating lights. These surfaces have been constructed from nanometallic optical antennas as well as high-index dielectric antennas. We introduce a unique scalable Fourier transform 4-f system that is applied to lithography. We demonstrate the experimental realization of a flexible Fresnel element, where pixelated one dimensional gratings with space-variant frequencies and orientations are assembled in low-index material as the UV resin on polyethyleneterephthalate (PET) substrate, achieving good concentration performance in the visible spectrum.

Citation Download Citation

Hong Ye, Yu Gu, Shangliang Wu, Yan Ye, and Linsen Chen "Meta-Fresnel elements functioned by pixelated one-dimensional gratings with space-variant frequencies and orientations", Proc. SPIE 10823, Nanophotonics and Micro/Nano Optics IV, 108231J (25 October 2018); https://doi.org/10.1117/12.2515584

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