Observaci´ on de lentes gravitatorias con ALMA

Gravitational lensing is a fundamental tool for cosmology. A recent instrument which will provide more information for models of these objects is ALMA. Our goal is to select lens candidates to observe with ALMA and then model them using GravLens Software. We had selected 12 quadruple images systems from the CASTLES database, which show a high probability of observ- ing extended sources in the submillimetric range. These new data will allow us to improve existing models. Resumen