A tomographic imaging system comprising a source array emitting rays, a deformable mirror reflecting the rays emitted by the source array, and a detector array receiving the electromagnetic rays emitted by the source array and reflected by the deformable mirror. An object can be positioned between the deformable mirror and the detector array and the deformable mirror can be deformed to a plurality of configurations to form a tomographic image of the object. The system can also be used in radiation therapy.