Various Elemental Effects
Results Using a Mo X-Ray generator:
Zirconium - Absorbs Bremsstrahlung & K-Beta.
Iron - Absorbs the entire spectra.
Molybdenum - Absorbs Bremsstrahlung - Leaving K-Beta & K-Alpha.
Aluminium - 'Pinches' Bremsstrahlung* & Removes 3rd Generation peaks.
Silver - Same as Aluminium, But to greater extent.
Indium - Same as Iron, But to lesser extent.
Copper - Same as Aluminium, Leaving only 1st Generation Peaks.
- - Bremsstrahlung pinching is due to the atomic mass. The denser the atom, the higher the X-Ray Absorption. Only the higher energy X-Rays pass through the filter, appearing as if the Bremsstrahlung continuum had been pinched.
- - In this case, Mo appears to leave K-Alpha and K-Beta alone while absorbing the Bremsstrahlung. This is due to Mo absorbing all of the spectra's energy, but in doing so produces the same characteristic peaks as generated by the target.
Read more about this topic: X-ray Filter
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