Systems at 10GHz based on the use of horn antennas and slotted-waveguide antennas are studied along this work. The importance of this study relies on the fact that these antennas can be employed for imaging applications by measuring the eld distribution at its apertures. In this sense, the response of such antennas was obtained for di erent working conditions and, based on the results, it is proposed some con gurations that could be used for the implementation of an imaging retina. This project is the interme- diate step in the construction of a THz system for short-range imaging applications in which the UPC/AntennaLab group is currently working.