نتایج جستجو برای: diamond dosimeter
تعداد نتایج: 23066 فیلتر نتایج به سال:
This work illustrates a procedure to assess the overall accuracy associated with Gamma Knife treatment planning using plugging. The main role of source plugging or blocking is to create dose falloff in the junction between a target and a critical structure. We report the use of MAGAT gel dosimeter for verification of an experimental treatment plan based on plugging. The polymer gel contained in...
Before you begin making measurements the microStar should be calibrated to your specific environment. This process, (i.e. creating a calibration curve) is extremely important as it correlates the optical response from a dosimeter to a known dose in order to establish the sensitivity of the system (measured in counts/dose). Fortunately, this is simple to do and the results can be stored for late...
Fricke solution has a wide range of applications as radiation detector and dosimetry. It is particularly appreciated in terms of relevant comparative advantages, like tissue-equivalence when prepared in aqueous media like gel matrix, continuous mapping capability, independence of dose rate and incident direction, as well as linear dose response. This work presents the development and characteri...
Following a previous feasibility study, a photon dosimeter have been constructed by attaching a small piece of BGO scintillator to a low attenuation plastic optical fiber for which the light output is measured with a current-type PMT. The dosimeter model is tested in a Co irradiation chamber in the dose rate range varying from about 50 to 1200 Gy/h. The dose rates are measured at a number of pr...
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