Conference Proceedings Paper
DEVELOPMENT OF A TRANSPARENT AND DEFORMABLE TWO DIMENSIONAL RADIOCHROMIC GEL DOSIMETER
36th Annual CNS-CNA Student Conference - 2012 June 12
Pouria Ataei (McMaster University )
Kevin Diamond (McMaster University )
Achieving accurate small field dosimetry is challenging; however, an accurate dose verification tool to evaluate the delivered dose distribution of radiotherapy is essential. In this research, a 2D radiochromic gel dosimeter is developed and characterized. A radiosensitive dye, leucomalachite green (LMG) is dissolved in gelatin. The changes in absorbencies of the gels were measured as a function of absorbed dose and a linear dose response is achieved above 10Gy. The gels were then irradiated using complicated IMRT beams and their dose distributions were compared to their respective simulated/calculated planar dose maps.
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