High accuracy dosimetry with small pieces of Gafchromic films

Abstract

The MM with a scaling protocol leads to a very high precision of dose measurements. The ambient thermal detector environment causes significant changes of measured signal. The detector size has relevant impact on dose reading.

Use of radiochromic films for the absolute dose evaluation in high dose-rate proton beams

“…Scientific literature of the last 10 years reports many studies on the RCF calibration. These works mainly relate to the irradiation with photon beams [9,[25][26][27][28][29][30][31][32][33][34] while only a few of them discuss the results on the RCF calibration procedure with proton beams [13,[35][36][37]. None of them produces a systematic investigation of the most appropriate fitting curve that could be potentially adopted in proton irradiation.…”

Dose calculation validation of a convolution algorithm in a solid water phantom

“…The film calibration curve was established for doses delivered at the isocentre, ranging from 0 to 10 Gy. The films were irradiated and stocked at a constant temperature of 20 • C [11], and they were scanned 24 h after irradiation. The films were scanned in transmission mode with an Epson Expression 12000XL flatbed scanner (Seiko Epson Corporation, model 12000XL, Japan).…”