  In the context of the LAUE project devoted to build a long focal length
focusing optics for soft gamma-ray astronomy (70/100 keV to $>$600 keV), we
present results of simulation of a Laue lens, based on bent crystals in
different assembling configurations (quasi-mosaic and reflection-like
geometries). The main aim is to significantly overcome the sensitivity limits
of the current generation of gamma-ray telescopes and improve the imaging
capability.
