Hi, I am wandering to analyse the profiles of X-rays beam, in any one help me. how to analyse profile vs profile. What parameters need to be considered?. I have profiles at different depths and field sizes as well as PDD. I want to to compare profiles measured with different detectors as well. I shall be very thankful f any suggest/guide me in this regards. My email ID: [email protected]. Any comments/suggestions are welcome.
Hi Muhammad,
the most interesting parameter is the x-ray photon energy distribution, which in general is not fixed when passing the beam cross-section. Especially for x-rays emerging at small take-off angles from the anode of an x-ray tube the energy spectrum changes rapidly when going to small angles due to the so-called Heel effect.
Apart from the Heel effect you will have different results between detectors based on energy Integration/weighting, such as scintillation detectors, or photon counting based detectors, which just count the photons irrespective of the x-ray photon energy.
X-ray dose also is closely related to the x-ray photon energy distribution and the depth in tissue.
Thanks. Yes you are right but suggest some more and share any procedure/publication (in which some one compare) etc that help me
Sorry Muhammad,
I havn't attached any data/x-ray spectra. I have measured a lot but they are company confidential. Sorry. They are not summarized in a published paper of mine in such a way that it could meet your expectations.
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