  This communication presents a new implementation of DSPSI. Its main features
are 1. an advanced model taking into account the beam divergence, 2. the
coupling with a surface shape measurement in order to generalize DSPSI to
nonplanar surfaces 3. the use of small shear distance made possible using a
precise measurement procedure. A first application on a modified Iosipescu
shear test is presented and compared to classical DIC measurements.
