Fig. 5
From: Merging transformation optics with electron-driven photon sources
Far-field angle-resolved cathodoluminescence maps. a Detection geometry specified by the hemisphere positioned above the structure. b Impact positions for the electron beam, and c Experimental and simulated cathodoluminescence angular profile at E = 1.9 eV, at two different electron impact positions for the incident electron marked by red and blue colors in b, respectively
