Author:
Kaassamani Shatha,Chapkin Kyle,Song Junyeob,Agrawal Amit,Lezec Henri,Zhu Wenqi
Abstract
We design and fabricate transmissive dielectric metasurfaces made of high-aspect-ratio, wide-bandgap oxide materials to achieve λ/4 retardance at deep ultraviolet wavelengths. We optimize the design towards a broadband quarter-wave plate for few-femtosecond pulses.