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Title: Achromatic metalens imaging for camera system
Authors: Tao, Rufei
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Tao, R. (2021). Achromatic metalens imaging for camera system. Master's thesis, Nanyang Technological University, Singapore.
Abstract: Metalens is one of the most advanced lens technology. Basing on the technique of metasurface, the metalens can realize a negative refraction, which can provide a larger bending angle as well as higher numerical aperture(NA) compared with traditional lens. In this dissertation, a novel design of metalens is established in Lumerical FDTD simulation, which is used to focus a mid-infrared band plane wave. In order to establish that metalens, a number of units which can bend the light with a particular angle are built, and the main task is finding the proper structure and size of those units to get a considerable efficiency. Then the performance of the metalens can be represented by analyzing the results from a line combination of those units.
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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