Gel dosimeters, also called Fricke gel dosimeters, are manufactured from radiation sensitive chemicals that, upon irradiation with ionising radiation, undergo a fundamental change in their properties as a function of the absorbed radiation dose. Gel dosimeters generally consist of two types; Fricke and polymer gel dosimeters and are usually evaluated or 'read-out' using magnetic resonance imaging (MRI), optical computer tomography (CT), x-ray CT or ultrasound. Since 1999 the DosGel and IC3DDose Conference Series on gel dosimetry has been held at various international venues.
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| - Gel dosimeters, also called Fricke gel dosimeters, are manufactured from radiation sensitive chemicals that, upon irradiation with ionising radiation, undergo a fundamental change in their properties as a function of the absorbed radiation dose. Gel dosimeters generally consist of two types; Fricke and polymer gel dosimeters and are usually evaluated or 'read-out' using magnetic resonance imaging (MRI), optical computer tomography (CT), x-ray CT or ultrasound. Since 1999 the DosGel and IC3DDose Conference Series on gel dosimetry has been held at various international venues. (en)
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| - Gel dosimeters, also called Fricke gel dosimeters, are manufactured from radiation sensitive chemicals that, upon irradiation with ionising radiation, undergo a fundamental change in their properties as a function of the absorbed radiation dose. Over many years individuals have endeavoured to measure absorbed radiation dose distributions using gels. As long ago as 1950, the radiation-induced colour change in dyes was used to investigate radiation doses in gels. Further, in 1957 depth doses of photons and electrons in agar gels were investigated using spectrophotometry. Gel dosimetry today however, is founded mainly on the work of Gore et al who in 1984 demonstrated that changes due to ionising radiation in Fricke dosimetry solutions, developed in the 1920s, could be measured using nuclear magnetic resonance (NMR). Gel dosimeters generally consist of two types; Fricke and polymer gel dosimeters and are usually evaluated or 'read-out' using magnetic resonance imaging (MRI), optical computer tomography (CT), x-ray CT or ultrasound. Since 1999 the DosGel and IC3DDose Conference Series on gel dosimetry has been held at various international venues. (en)
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