Novel optical devices, materials, structure and applications (1)

[ALPS30-04] Alvarez Metalens with Polarization Separation Function

*Mitsutoshi Hada¹, Hyo Adegawa¹, Katsuma Aoki¹, Satoshi Ikezawa², Kentaro Iwami¹ (1. Tokyo University of Agriculture and Technology, 2. Waseda University)

We developed a varifocal metalens with polarization separation function of up to 17.8 dB and confirmed that its focal length can be varied in the range of 0.75 to 11.85 mm.