1The Univ. of Melbourne (Australia) 2The Australian Research Council Ctr. of Excellence for Transformative Meta-Optical Systems (TMOS) (Australia) 3The Australian National Univ. (Australia) 4RMIT Univ. (Australia)
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Metasurfaces with angular sensitivity have been shown to provide a platform for developing an ultra-compact phase imaging system. Their performance, however, is often limited to a narrow range of spatial frequencies. Here, we apply inverse design to design and fabricate a metasurface an asymmetric optical transfer function across a numerical aperture (NA) of 0.6. The engineered response of this device enables phase imaging of microscopic transparent objects.
Conference Presentation
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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