Compound metalens achieves on-demand distortion-free imaging with wide field of view

https://www.eurekalert.org/news-releases/1064994

"doublet metasurface additional degrees of freedom for custom-tailoring angle-dependent image height relations, enabling distortion control, minimizing other monochromatic aberrations... compound fisheye metalens barrel distortion <2% instead of up to 22%... amorphous silicon nanopillars on glass substrate, polymethyl methacrylate coated... laser direct writing for field aperture stop, electron beam lithography for patterning the metasurfaces... beam steering, imaging, depth sensing, display projection"

Related: Metalenses harness AI for superior performance

https://www.eurekalert.org/news-releases/1065066