Inverse designed metalenses with extended depth of focus

• DOI: 10.1364/cleo_qels.2020.fm1r.5
• Publication Date: 2020-09-15T15:22:58Z
• Authors: Elyas Bayati; Raphael Pestourie; Shane Colburn; Zin Lin; Steven G. Johnson; Arka Majumdar
• Keywords: 0103 physical sciences; FOS: Physical sciences; 535; 01 natural sciences; Physics - Optics; Optics (physics.optics)

We design, fabricate and characterize a cylindrical metasurface lens operating at — 625nm with a depth of focus exceeding that of an ordinary lens using adjoint optimization-based inverse electromagnetic design.