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Radiation Exposure and Image Quality in X-Ray Diagnostic Radiology pp 33–40Cite as

Radiation Field and Dosimetric Quantities

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Abstract

The physical characteristics of the radiation source and the exposure parameters, which together determine the radiation quality, are the anode material of the X-ray tube and the filtration of the primary radiation beam, the X-ray peak tube voltage selected, its temporal course (e.g. especially at short exposure times or, in pulsed exposure techniques, its rise and drop) and the inherent waveform of the tube voltage (2-, 6-, 12-, multi-pulse or DC). The radiation quality (i.e. the photon energy spectrum) influences both patient dose and image quality. An increase in the X-ray tube voltage for a certain anode-filter combination at a definite image receptor dose (see Sect. 5.2) will result in an increased penetration of the X-ray beam and consequently in a reduction of the absorbed dose and the contrast observed in the image.

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Authors and Affiliations

  1. Unterfarrnbacher Str. 32, 90766, Fürth, Germany

    Dr. Horst Aichinger

  2. Hegenigstr. 56, 91056, Erlangen, Germany

    Dr. Joachim Dierker

  3. Friedhofstr. 4a, 91058, Erlangen, Germany

    Sigrid Joite-Barfuß Dipl. Phys.

  4. Radiologisches Institut, Universitätsklinikum Erlangen, Maximiliansplatz 1, 91054, Erlangen, Germany

    Prof. Dr. Manfred Säbel

Authors
  1. Dr. Horst Aichinger
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  2. Dr. Joachim Dierker
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  3. Sigrid Joite-Barfuß Dipl. Phys.
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  4. Prof. Dr. Manfred Säbel
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Corresponding author

Correspondence to Horst Aichinger .

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© 2012 Springer-VerlagBerlin Heidelberg

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Aichinger, H., Dierker, J., Joite-Barfuß, S., Säbel, M. (2012). Radiation Field and Dosimetric Quantities. In: Radiation Exposure and Image Quality in X-Ray Diagnostic Radiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11241-6_5

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  • DOI: https://doi.org/10.1007/978-3-642-11241-6_5

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-11240-9

  • Online ISBN: 978-3-642-11241-6

  • eBook Packages: MedicineMedicine (R0)

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