M A Stevens et al 1996 Phys. Med. Biol. 41 2357 doi:10.1088/0031-9155/41/11/008
High-resolution dosimetry using radiochromic film and a document scanner
M A Stevens
, J R Turner
, R P Hugtenburg and P H Butler
A method of reading exposed radiochromic film is described which has significant advantages over conventional densitometry. The method employs a document scanner and associated software for imaging the film. The resulting images are easily analysed using standard software to yield high-resolution dose maps. A calibration was performed which relates scanner signal to dose, allowing for the determination of dose at any point on an exposed film. Results obtained using a broad-band densitometer are compared to those where the scanner has been used. The technique was used to measure the dose distribution around a COMS-type ophthalmic applicator.
- PACS
- Subjects
- Dates
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Issue 11 (November 1996)
Received 21 May 1996, in final form 19 August 1996
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High-resolution dosimetry using radiochromic film and a document scanner
M A Stevens et al 1996 Phys. Med. Biol. 41 2357
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