Vol. 4, Issue 1, Part A (2022)

A novel concept is introduced to overcome the communication blackout of returning space carriers to earth from space. The concept is based on crystal optics working is a special refractive – diffractive régime. The crystal arrangement offer several advantages compared to previously introduced concepts, like light weight, stiffness and easy to align design. All these properties are very important when it comes to space born optics. Several possibilities are introduced and elaborated showing various performances of such a unique X-ray space collimator.