Imaging rule of diffractive ultrathin flat lens

Xueyan Li; Shibiao Wei; Han Lin; Yuejin Zhao; Baohua Jia

doi:10.1117/12.2542420

12 March 2020 Imaging rule of diffractive ultrathin flat lens

Xueyan Li, Shibiao Wei, Han Lin, Yuejin Zhao, Baohua Jia

Proceedings Volume 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices; 1144007 (2020) https://doi.org/10.1117/12.2542420
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

With the development of nanophotonics, a number of diffractive optical lenses are designed and demonstrated experimentally, such as metasurfaces and metalens. This study demonstrates derivation the imaging rule of diffractive optical lens based on geometric optics, which treat light as rays without considering the diffraction. The derived imaging rule is theoretically verified by the Rayleigh-Sommerfeld (RS) diffraction theory to simulate the imaging performance a graphene oxide (GO) ultrathin (~200 nm) flat lens working at the wavelength of 600 nm. The results from diffraction theory based on RS model confirms the imaging rule derived from the geometric optics in the paraxial region. The imaging rule can be generally applied to any diffractive lenses, especially ultrathin flat lenses.

Citation Download Citation

Xueyan Li, Shibiao Wei, Han Lin, Yuejin Zhao, and Baohua Jia "Imaging rule of diffractive ultrathin flat lens", Proc. SPIE 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1144007 (12 March 2020); https://doi.org/10.1117/12.2542420

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