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10 March 2020 System-level models for metasurfaces (Conference Presentation)
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Abstract
We present system-level models for ideal and realistic metasurfaces that can be used in designing metasurface optical systems. We show that ideal gradient metasurfaces have spatially varying field transmission amplitudes that can exceed one and discuss its effect on the modulation transfer function of metalenses. We introduce a general model for non-ideal metasurfaces based on the discrete-space impulse response concept. The new model takes into account reflections and undesired diffractions from metasurfaces and enables accurate black-box models that can be incorporated into design tools. We also present examples of its applications in analyzing optical systems composed of cascaded metasurface components.
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© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mahsa Torfeh, Andrew C. McClung, and Amir Arbabi "System-level models for metasurfaces (Conference Presentation)", Proc. SPIE 11289, Photonic and Phononic Properties of Engineered Nanostructures X, 112890D (10 March 2020); https://doi.org/10.1117/12.2554736
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