Monochromator INEL

Multi crystals optics

Multi crystal optics (2, 3 or 4 reflections) such as a Channel Cut or Bartels monochromator, decreases the ration λ/λ. However this increase in wavelength selectivity is possible only diminished intensity of X-Ray beam.

These monochromators can be either Germanium or Silicon and of varied orientations including (440, 220, 111).


MF2/4Ge Model
The 4 bounce monochromator has been designed with 2 separate but integrated mechanical mounts which contain the channel-cut crystal. A design feature of this mount is that provision has been made to allow the selection of either 4 or 2 reflections as required.

Applications are mainly those of high resolution reflection measurements or line profile studies.

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