1. Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA
2. Laboratoire Charles Fabry, Institut d’Optique Graduate School, CNRS, Universite Paris-Saclay, 91127 Palaiseau Cedex, France
3. Center for X-Ray Optics, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA
4. Danish Technical University (DTU)-Space, Elektrovej 327, DK-2800 Kongens Lyngby, Denmark