photovoltaics industry to ensure consistent test conditions and are similar to the light that could be expected in North America . Regions for ultraviolet , visible and infrared light are indicated. Date 2009-08-12 17:26 (UTC) Source Solar_spectrum_ita.svg Solar_Spectrum_fr.jpg Author Solar_spectrum_ita.svg : Nick84 Solar_Spectrum_fr.jpg : * Solar_Spectrum.png : Dragons flight derivative work: