This solar furnace has a power of 25 kW with peak concentrations of 18,000 suns (1 sun = 1 kW/m2 solar image of 8 cm-diameter (Riveros-Rosas et al.,2010). The main components of the HoSIER are three: a concentrator of 409 hexagonal mirrors of first surface (each mirror has a diameter of 40 cm); a heliostat of 81 m2 sur-face area and a shutter of 42.2 m2 the heliostat and the concentrator. This shutter regulates in the focal zone (3.68 m), producing a which is located between the heliostat and the concentrator.