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To overcome these limitations, we started in 2012 to design a facility aimed at generating a broad (170 x 60 mm2), uniform and low-divergent (1.5 arcsec HEW) X-ray beam within a small lab (∼ 9 x 18 m2), to characterize the ATHENA MM. BEaTriX (the Beam Expander Testing X-ray facility) makes use of an X-ray microfocus source, a paraboloidal mirror, a crystal monochromation system, and an asymmetrically-cut diffracting crystal for the beam expansion. These optical components, in addition to a modular low-vacuum level (10-3 mbar), enable to match the ATHENA SPO acceptance requirements.
The realization of this facility at INAF-OAB in Merate (Italy) is now on going. Once completed, BEaTriX can be used to test the Silicon Pore Optics modules of the ATHENA X-ray observatory, as well as other optics, like the ones of the Arcus mission. In this paper we report the advancement status of the facility.
OASYS (OrAnge SYnchrotron Suite): an open-source graphical environment for x-ray virtual experiments
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Optics simulation software is increasingly used for the design and optimization of x-ray instruments, in particular synchrotron beamlines. This course is an introduction to the use of general optics tools and ray-tracing calculations for hard x-ray applications. It will be based on the computer codes XOP and SHADOW (freely available).
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