A concept for a compton effect based dosimeter calibration system

C. Morhaim, I. Orion, I. Yaar

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Detectors and dosimeters are used all over the world for monitoring and detection of radiation. As an estimate device for worker's exposure, a dosimeter must go through a well determined calibration process in a radiation calibration facility, according to international standards. The most common way of calibration is to expose the dosimeter to several mono energy sources, like 241Am or 137Cs, while changing the source to detector distance. In this work, a single mono energy 137Cs source is used to create a wide energy spectrum calibration beam produced by Compton scattering from a copper target. The detector is shifted in a constant radius around the copper target and therefore exposed to energy determined by the angle of the Compton scattered photons. Target geometry optimization was done using the well known MCNP Monte Carlo simulation program and confirmed by experimental measurements. The work done so far, provides a starting point for a commercial dose calibration device based on Compton scattering.

Original languageEnglish
Article number4545169
Pages (from-to)1093-1096
Number of pages4
JournalIEEE Transactions on Nuclear Science
Issue number3
StatePublished - 1 Jun 2008


  • Calibration method
  • Compton scattering
  • MCNP simulation
  • Radiation detectors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering


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