[OThA4A] New Technologies I

[OThA4A-01 (Invited)] Dielectric metasurfaces for holography and focusing at visible wavelengths

*Kentaro Iwami¹ (1. Tokyo Univ. of Agriculture and Tech. (Japan))

[Presentation Style] Onsite

Dielectric metasurfaces for holography and the varifocal lens are introduced. A multicolor metasurface holographic movie consisting of 20 frames was demonstrated. A rotational varifocal metalens shows a wide focal length tuning from negative to positive.