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Proceedings Paper

Imaging rule of diffractive ultrathin flat lens
Author(s): Xueyan Li; Shibiao Wei; Han Lin; Yuejin Zhao; Baohua Jia
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Paper 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.

Paper Details

Date Published: 12 March 2020
PDF: 6 pages
Proc. SPIE 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1144007 (12 March 2020); doi: 10.1117/12.2542420
Show Author Affiliations
Xueyan Li, Beijing Institute of Technology (China)
Swinburne Univ. of Technology (Australia)
Shibiao Wei, Swinburne Univ. of Technology (Australia)
Han Lin, Swinburne Univ. of Technology (Australia)
Yuejin Zhao, Beijing Institute of Technology (China)
Baohua Jia, Swinburne Univ. of Technology (Australia)


Published in SPIE Proceedings Vol. 11440:
2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices
Baojun Li; Xingjun Wang; Ya Sha Yi, Editor(s)

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