  We present an experimental implementation of a polarization-entangled photon
pair source based on beam displacers. The down-converted photons are emitted
via spontaneous parametric down-conversion in a non-degenerate and type-0
process. We obtain a state fidelity of F=0.975$\pm$0.004 and violate a
Clauser-Horne Shimony-Holt inequality with S=2.75$\pm$0.01. Our source also
uses thin crystals for applications in quantum imaging, taking advantage of the
large number of spatial modes. With this configuration, we obtain 550$\pm$12
spatial modes.
