Detailed design activities, assembly, integration, validation and testing of the optical test medium named "Beams Simulator" (BSIM).

Lot 1 includes the detailed design phase of BSim as well as the identification and launch of the procurement of LLI (long-term, schedule-critical elements).

Lot 2 includes manufacturing/procurement of the remaining elements, as well as assembly, integration, alignment and characterization and functional validation of the BSim.