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The X-Ray crystal optic is one of the key component for X-Ray analysis systems:

 

• X-Ray spectrometry: WDXRF or EDXRF

• X-Ray diffractometry: powder or crystals

 

 

The X-Ray crystal optic basically achieves 2 functions:

 

• To shape the X-Ray beam before its interaction with the sample, or before the X-Ray detector

• To perfectly monochromatize the beam such as to provide the highest level of information to the detector

 

 

Many parameters are stringent in the specification of the X-Ray optic:

 

• The perfect shaping of the 2d spacing of the crystal such as to preserve the Bragg's angle according to the geometry of the optic

• Its reflectivity: light level and homogeneity

• Its wavelength or energy resolution that is the ability to distinguish the X-Ray peaks