SPO mirror plate
![](https://cdn.sci.esa.int/documents/34923/35555/1567215990130-SRE-F_Silicon_Pore_Optics_mirror_plate_625.jpg)
Date: 18 June 2015
Copyright: DTU Space
Silicon Pore Optics (SPO) technology under development for the ATHENA X-ray observatory mission. Shown here is an SPO mirror plate with reflectivity enhancing metallic coating.
Last Update: 1 September 2019