High-energy radiation monitoring based on radio-fluorogenic co-polymerization II: fixed fluorescent images of collimated x-ray beams using an RFCP gel

We have produced an optically clear, close to water-equivalent gel that is radio-fluorogenic, i.e. fluoresces in UV light after exposure to high-energy radiation. Its potential as a 2D and 3D dosimetric medium is demonstrated by fixed fluorescent images of the cross-section, track and intersection o...

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Bibliographic Details
Published in:Physics in medicine & biology 2011-03, Vol.56 (5), p.1487-1508
Main Authors: Warman, J M, Luthjens, L H, de Haas, M P
Format: Article
Language:English
Subjects:
Fluorescent Dyes - chemistry
Gels
Maleimides - chemistry
Polymerization
Radiation Monitoring - instrumentation
Radiation Monitoring - methods
Ultraviolet Rays
X-Rays
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Summary:We have produced an optically clear, close to water-equivalent gel that is radio-fluorogenic, i.e. fluoresces in UV light after exposure to high-energy radiation. Its potential as a 2D and 3D dosimetric medium is demonstrated by fixed fluorescent images of the cross-section, track and intersection of collimated (10 × 10 or 5 × 5 mm(2)) 205 kVp x-ray beams. The images, produced by doses on the order of 10 Gy, are formed instantaneously and can be digitally recorded and scanned with a spatial resolution on the order of 0.1 mm. No loss of spatial resolution occurs on standing under ambient conditions for at least 3 days.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/56/5/017