Asymmetric optical camouflage: Tuneable reflective color accompanied by optical Janus effect

IMAGE: a, Conceptual illustration of direction-sensitive asymmetric optical camouflage by tuneable optical Janus effect b, SEM images of the nanostructured Au film and CYTOP nanopillars. Scale bars, 200 nm. c, Photographs… view more  Credit: Taehyun Kim, Eui-Sang Yu, Young-Gyu Bae, Jongsu Lee, In Soo Kim, Seok Chung, Seung-Yeol Lee, and Yong-Sang Ryu In modern optics, a […]