X-RAY SPECTROMETRY FROM A MICROCT SYSTEM

Authors

  • Hugo Romberg Nuclear Instrumentation Laboratory - Federal University of Rio de Janeiro
  • Caio Márcio Sorrentino de Freitas Santos
  • Tâmara Porfírio Teixeira
  • Olga Maria Oliveira Araújo
  • Davi Ferreira Oliveira
  • Ricardo Tadeu Lopes

DOI:

https://doi.org/10.15392/bjrs.v9i1A.1426

Keywords:

x-ray, spectrometry, microCT

Abstract

X-ray production is of fundamental importance for several applications, among these is the Microcomputed tomography technique (microCT). It is used to conduct studies in different areas of research such as industry, dentistry, archaeology and biomedicine. In this study, X-ray spectra were acquired with different filtering configurations in order to better understand the energy behavior of a X-ray beam used in a microCT system. Unfiltered spectra were acquired for voltages of 20 up to 80 kV and filtered spectra for voltages from 40 up to 120 kV. As results, the mean energy values of each filtered and unfiltered beams from 40 to 120 kV were obtained. These values were calculated based on the spectra evaluation, as well as the value of attenuation that each filtering systems generated in the spectra of 60 and 70 kV. To compose the filtration systems metallic physical filters of aluminum and copper were used. Spectra acquisition was done using a semiconductor detector, model XR-100CdTe, manufactured by Amptek.

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Published

2021-04-30

How to Cite

Romberg, H., Santos, C. M. S. de F., Teixeira, T. P., Araújo, O. M. O., Oliveira, D. F., & Lopes, R. T. (2021). X-RAY SPECTROMETRY FROM A MICROCT SYSTEM. Brazilian Journal of Radiation Sciences, 9(1A). https://doi.org/10.15392/bjrs.v9i1A.1426

Issue

Section

The Meeting on Nuclear Applications (ENAN) 2019

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