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Broad-Band X-Ray Spectrograph


Broad-Band X-Ray Spectrograph Based on a Cylindrically Bending Multilayer Mirror with a Laterally Graded Period

Tech Area / Field

  • FUS-PLA/Plasma Physics/Fusion
  • INS-DET/Detection Devices/Instrumentation

3 Approved without Funding

Registration date

Leading Institute
VNIIEF, Russia, N. Novgorod reg., Sarov

Supporting institutes

  • Institute of Microelectronics Technology and High Purity Materials, Russia, Moscow reg., Chernogolovka


  • Synchrotron Soleil, France, Gif-sur-Yvette Cedex

Project summary

The aim of project is the development of the broad-band X-ray spectrograph and the experimental investigation of its abilities on X-ray plasma sources of various types. For this system, the photons energy range is from 0.5 keV up to 2 keV. This broad-band X-ray spectrograph is based on a cylindrical bending multilayer mirror with a laterally graded period along its length.

The principle of the spectrograph operation is based on selective reflectivity of X-rays by periodic structures. The broad-band registration is reached in two ways: with the mirror bending and with the creation of the layers period gradient along the mirror length.

Such spectrograph is necessary for plasma line emission survey spectra to register theirs most typical characteristic lines in X-ray radiation. In the future, these lines or narrow part of spectrum may be investigated in detail with the help of spectrograph having better energy resolution.


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