[5p-A410-1~13] 4.1 Plasmonics

▲ [5p-A410-4] Chiral selective plasmonic metasurface

〇(M1)Chang-Ruei Li¹, Jhen-Hong Yang², Kuo-Ping Chen³ (1.Institute of Lighting and Energy Photonics, National Chiao-Tung University, 2.Institute of Photonic System, National Chiao-Tung University, 3.Institute of Imaging and Biomedical Photonics, National Chiao-Tung University)

Keywords:Circularly polarized light, circular dichroism, metasurface

A chiral plasmonic absorber using lightning-shaped nanostructures was demonstrated to achieve spectrally selective chiral in the visible region. The absorption can reach up to 84% for RCP and the circular dichroism (CD) is ~30% at the wavelength of 640 nm.