Presentation
10 March 2020 Modeling of high-contrast metasurfaces and their performance in general optical system using fast physical optics (Conference Presentation)
Site Zhang, Christian Hellmann, Frank Wyrowski
Author Affiliations +
Proceedings Volume 11290, High Contrast Metastructures IX; 112900P (2020) https://doi.org/10.1117/12.2547448
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
Metasurfaces, especially those made from high refractive index materials, have gain notable success in recent years in different applications. Devices such as meta-gratings/lenses are usually composed of properly designed unit cells with specific phase or polarization manipulation functions. Typical design usually consists two steps: 1) rigorous analysis of the unit cells; 2) spatial arrangement of unit cells with varying structural parameters. For the intuitive correspondence relation between optical functionality and the structural parameters, it often assumes that the coupling between adjacent unit cells is negligible, which is actually a question to be verified. We will present a physical-optics-based approach to deal with the modeling of the whole metasurfaces, with a locally extended rigorous analysis of several unit cells so to include possible coupling effects, while the computational efficiency remains high. Examples on meta-gratings and lenses will be presented.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Site Zhang, Christian Hellmann, and Frank Wyrowski "Modeling of high-contrast metasurfaces and their performance in general optical system using fast physical optics (Conference Presentation)", Proc. SPIE 11290, High Contrast Metastructures IX, 112900P (10 March 2020); https://doi.org/10.1117/12.2547448
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KEYWORDS
Performance modeling

Instrument modeling

Lenses

Polarization

Refractive index

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