Experimental Observation of Surface Exciton-polaritons on Vanadium Using Infrared Radiation Yang, Fuzi ; Bradberry, G. W. ; Sambles, J. R. Abstract Publication: Journal of Modern Optics Pub Date: September 1990 DOI: 10.1080/09500349014551721 Bibcode: 1990JMOp...37.1545Y