Figure 3
From: A White Random Laser

Characteristics of green (R6G) monochromatic laser film. (a) The photoluminescence spectra of R6G laser film. (b) Plasmon absorption spectra of Ag-PVA heated at 120 °C for different periods of time. (c) Simulation of scattering cross section of silver nanoparticles with sizes of 10 nm according to the Mie scattering theory and Drude model.