At LPA, we study, among other things, the physical properties of Semiconductor Nanostructures. Many of these properties are in the optical domain. Until 2002 we only used monochromator systems with Avalanche Photodiodes (APD) and a spectrometer. The Performance of this kind of detector system is no longer efficient and so we began the development of CCD camera. As soon as the first system was installed, we were able to observe physical effects in these Nanostructures, as predicted by theory.