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LabVIEW-based control and acquisition system for the dosimetric characterization of a silicon strip detector

AuthorsOvejero-Benito, M. C. ; Perez Vega-Leal, A.; Gallardo, M. I.; Espino, J. M. ; Selva, A.; Córtes-Giraldo, M. A.; Arráns, Rafael
Issue Date2-Feb-2017
PublisherAIP Publishing
CitationReview of Scientific Instruments 88: 025104 (2017)
AbstractTraditionally, the verification of complex photonradiotherapy treatments, like Intensity Modulated Radiation Therapy (IMRT), has been carried out by means of radiographic films, which are inserted in a water-equivalent phantom and irradiated by an accelerator. The radiographic films have to be developed and read with a scanner. The dose map is then obtained as a function of the optic density. The use of these films has some disadvantages such as the manipulation sensitivity and the time-consuming film development process. In addition, the increased use of digital radiometers is leading to the disappearance of films and development devices. Despite these inconveniences, films have some advantages which until today could not have been achieved by any other method: first they provide excellent spatial resolution (<<1 mm) usually limited by their granular dimensions and the resolution of the scanner. Second they can measure dose maps in the axial plane, i.e., in the same plane in which the treatment planning is performed. Efforts are being made with many different technologies to develop new detection systems which will improve the traditional ones, guaranteeing optimum and safe conditions for the patient. Silicon detectors in particular are among these different new technologies.
Publisher version (URL)http://dx.doi.org/10.1063/1.4974817
Appears in Collections:(CNA) Artículos
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