2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89078In this paper we describe a test of Bell inequalities using a non- maximally entangled state, which represents an important step in the direction of eliminating the detection loophole. The experiment is based on the creation of a polarisation entangled state via the superposition, by use of an appropriate optics, of the spontaneous fluorescence emitted by two non-linear crystals driven by the same pumping laser.proc. of QCM&C, CapriQuantum PhysicsOpticstext