Flat lenses,including metalenses and diffractive lenses,have attracted considerable attention for enabling miniaturized optical systems.However,achieving large-scale flat lenses with both a large numerical aperture(NA...Flat lenses,including metalenses and diffractive lenses,have attracted considerable attention for enabling miniaturized optical systems.However,achieving large-scale flat lenses with both a large numerical aperture(NA)and high achromatic performance remains a significant challenge.In this work,we propose a structural height optimization method named focal phasor matching to achieve high-performance designs for large apertures.展开更多
基金National Natural Science Foundation of China(62125504,62405288)Natural Science Foundation of Zhejiang Province(LQN25F050005)National Key Research and Development Program of China(2021YFF0502700)。
文摘Flat lenses,including metalenses and diffractive lenses,have attracted considerable attention for enabling miniaturized optical systems.However,achieving large-scale flat lenses with both a large numerical aperture(NA)and high achromatic performance remains a significant challenge.In this work,we propose a structural height optimization method named focal phasor matching to achieve high-performance designs for large apertures.