Figure. 3
From: Bifocal flat lens with different imaging characteristics for a dual-sensor imaging system

(a) Flow chart of the photolithographic process. (b) The fabricated BDL. (c,d) Micrographs of the fabricated BDL.
From: Bifocal flat lens with different imaging characteristics for a dual-sensor imaging system
(a) Flow chart of the photolithographic process. (b) The fabricated BDL. (c,d) Micrographs of the fabricated BDL.