%0 Journal Article %A Vázquez Molini, Daniel %A Alda, Javier %A Bernabeu Martínez, Eusebio %T Planar optical array with a spatial-integration feature %D 1999 %@ 1559-128X %U https://hdl.handle.net/20.500.14352/59254 %X A planar optical array is presented that provides a selective concentration of the light incident upon the system onto a given area. Several alternative designs are analyzed and explained geometrically. The photometric calculation is presented for three different levels of approximation. A prototype of the proposed system is tested, showing good accordance with the theoretical predictions. %~