Title : 
A new type of optical activity in a toroidal metamaterial
         
        
            Author : 
Raybould, T.A. ; Fedotov, V.A. ; Papsimakis, N. ; Youngs, I. ; Chen, W.T. ; Tsai, D.P. ; Zheludev, N.I.
         
        
            Author_Institution : 
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
         
        
        
        
        
        
            Abstract : 
We demonstrate experimentally and numerically the first ever observation of optical activity in a chiral metamaterial that is underpinned by the exotic resonant combination of an electric quadrupole and the elusive toroidal dipole.
         
        
            Keywords : 
chirality; optical metamaterials; optical rotation; chiral metamaterial; electric quadrupole; elusive toroidal dipole; exotic resonant combination; optical activity; toroidal metamaterial; Biomedical optical imaging; Magnetic materials; Metamaterials; Optical device fabrication; Optical imaging; Optical polarization; Optical ring resonators;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics (CLEO), 2015 Conference on
         
        
            Conference_Location : 
San Jose, CA