Spectrally tunable light source based on light-emitting diodes for custom lighting solutions

This research was supported by the Spanish Ministry of Science and Innovation under the grant DPI2011-30090-C02 and the European Union. Francisco J. Burgos would like to thank the Government of Catalonia for his Ph.D. grant. We would also like to thank the European Colour and Space in Cultural Heritage (COSCH) COST Action TD1210 for the financial support towards research visits and meetings.