Broadband vectorial ultra-flat optics with experimental efficiency up to 99% in the visible via universal approximators
Fedor Getman,
Maksim Makarenko,
Arturo Burguete-Lopez
et al.
Abstract:Integrating conventional optics into compact nanostructured surfaces is the goal of flat optics. Despite the enormous progress of this technology, there are still critical challenges for real world applications due to a limited efficiency in the visible, on average lower than 60%, which originates by absorption losses in wavelength thick (≈ 500 nm) structures. Another issue is the realization of on-demand optical components for controlling vectorial light at visible frequencies simultaneously in both reflectio… Show more
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