Parallel beam graded multilayer monochromator

Maximizes intensity for parallel beam and high resolution diffraction

Max-Flux® diffraction optic

Introduced by Rigaku Innovative Technologies in the early 1990’s, graded multilayer monochromators provide increased intensity for High-Resolution diffraction, Thin Film analysis and other 1-dimensional parallel beam XRD applications.

Max-Flux® Optics use graded multilayers, assuring the same X-ray energy diffracts from every point along the surface of the Parabolic optic.

Rigaku’s Osmic® Coating technology provides results in less than 0.5% d-spacing variation. Such high precision means more flux is available for your experiment.

Optical precision is also critical to good performance. Using proprietary technology, standard Max-Flux optics are made within ~10 arcsec of the ideal curve. When the best performance is required, Rigaku applies new Arc)Sec® technology to achieve optical precision of ≤ 4 arcsec!

As a 1-dimensional optic, divergence in the axial plane can be controlled through use of a Soller collimator. Contact Rigaku for a suitable collimator for your application.

Rigaku provides excellent housings for aligning Max-Flux optics on your instrument. Housing are available for operation in atmosphere or vacuum, for 40mm, 60mm, 80mm, 100mm and 120mm long optics.

Max-Flux Diffraction Optic
Max-Flux Diffraction Optic
Custom Confocal Max-Flux Optics


  • Easy Alignment
  • Increased Cu Kα, especially when using a channel cut monochromator
  • Greatly decreased background and Cu Kβ
  • Symmetric and Homogeneous beams
  • Improved data collection
  • Available for Cu, Mo, Co, Ag, Au, Cr and other X-ray energies

Max-Flux diffraction optic

  • Reflectometry
  • High-resolution Diffraction
  • Thin Film Analysis


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