A radially non-symmetric beamforming element for transforming the input energy profile of an input laser beam subject to lateral shift that is variable in radial direction and magnitude into a desired output energy profile of an output laser beam. The method may be improved by providing, between individual segments of the hologram, additional security indicia providing a signal in response to being irradiated by electromagnetic radiation of a predetermined frequency. With the device, the yield of the substrate can be increased. The set of aircraft identification objects are capable of being read from the computer recordable medium to verify whether the software aircraft part can be loaded in an aircraft. The processed lettuce then proceeds to an unloading station where it is removed from the conveyor belt.