Abstract
The concept of the equivalent spectrum (S(eq)) is introduced, where S(eq) is defined as an idealized energy spectrum which results in identical attenuation properties as the actual spectrum of a given x-ray tube. S(eq) is described by two parameters, the equivalent aluminium filtration Al(eq) and the equivalent kilovoltage kV(eq), which are evaluated iteratively using aluminium attenuation data. Published spectral data are used to demonstrate the merits of the equivalent spectrum technique, and experimental results are also presented. The technique is shown to be sensitive to changes in total filtration and, indirectly, to the waveform properties of the x-ray system. The use of the S(eq) may result in a better description of spectral properties for reporting purposes, and aid in standardizing radiographic techniques within an institution.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 861-868 |
| Number of pages | 8 |
| Journal | Medical Physics |
| Volume | 13 |
| Issue number | 6 |
| State | Published - 1986 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Biophysics
Cite this
Equivalent spectra as a measure of beam quality. / Boone, John M.
In: Medical Physics, Vol. 13, No. 6, 1986, p. 861-868.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Equivalent spectra as a measure of beam quality
AU - Boone, John M
PY - 1986
Y1 - 1986
N2 - The concept of the equivalent spectrum (S(eq)) is introduced, where S(eq) is defined as an idealized energy spectrum which results in identical attenuation properties as the actual spectrum of a given x-ray tube. S(eq) is described by two parameters, the equivalent aluminium filtration Al(eq) and the equivalent kilovoltage kV(eq), which are evaluated iteratively using aluminium attenuation data. Published spectral data are used to demonstrate the merits of the equivalent spectrum technique, and experimental results are also presented. The technique is shown to be sensitive to changes in total filtration and, indirectly, to the waveform properties of the x-ray system. The use of the S(eq) may result in a better description of spectral properties for reporting purposes, and aid in standardizing radiographic techniques within an institution.
AB - The concept of the equivalent spectrum (S(eq)) is introduced, where S(eq) is defined as an idealized energy spectrum which results in identical attenuation properties as the actual spectrum of a given x-ray tube. S(eq) is described by two parameters, the equivalent aluminium filtration Al(eq) and the equivalent kilovoltage kV(eq), which are evaluated iteratively using aluminium attenuation data. Published spectral data are used to demonstrate the merits of the equivalent spectrum technique, and experimental results are also presented. The technique is shown to be sensitive to changes in total filtration and, indirectly, to the waveform properties of the x-ray system. The use of the S(eq) may result in a better description of spectral properties for reporting purposes, and aid in standardizing radiographic techniques within an institution.
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UR - http://www.scopus.com/inward/citedby.url?scp=0023006061&partnerID=8YFLogxK
M3 - Article
VL - 13
SP - 861
EP - 868
JO - Medical Physics
JF - Medical Physics
SN - 0094-2405
IS - 6
ER -