Related Experiment Video
Updated: Sep 13, 2026

Dosimetry for Cell Irradiation using Orthovoltage (40-300 kV) X-Ray Facilities
Published on: February 20, 2021
Dosimetry for low energy electrons in the range of 12-45 keV with EBT3 GafChromic films
Julian Freier1, Leon Brückner1, Bastian Löhrl1
1Department of Physics, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg, Staudtstraße 1, 91058 Erlangen, Germany.
Abstract:
Objective.Low energy electrons (LEEs) in the range of tens of keV combine high relative biological effectiveness with low penetration depth in tissue, making them an interesting tool for radiobiological studies. To harness these advantages, a reliable and comprehensible dosimetry method is essential.Approach.Unlaminated EBT3 GafChromic films were evaluated as potential LEE dosimeters, given the limitations of other dosimetry tools for LEE applications. The depth dose profile of the LEE in the film was simulated and then combined with the experimentally determined response of the film to a calibrated radiation source. Using this, the total response of the film for a given average dose was calculated.Main results.A calibration curve for unlaminated EBT3 GafChromic films for LEE in the energy range of 12-45 keV has been successfully developed for a range of average doses from 0 Gy to 16 Gy.Significance.The developed calibration curve enables direct, quantitative comparison of biological experiments using LEE with other types of radiation such as x-rays, facilitating the adoption of LEE in radiobiological research.
More Related Videos
06:20Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
10:33Expedited Radiation Biodosimetry by Automated Dicentric Chromosome Identification (ADCI) and Dose Estimation
Published on: September 4, 2017
Related Concept Videos
Biological Effects of Radiation
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Scanning Electron Microscopy
Fundamental Principles
Accelerated...
Determination of Crystal Structures
Positron Emission Tomography
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...