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Proceedings Paper

Fabrication and characterization of a real-time optical fiber dosimeter probe
Author(s): André Croteau; Serge Caron; Alexandra Rink; David Jaffray; Ozzy Mermut
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Paper Abstract

There is a pressing need for a low cost, passive optical fiber dosimeter probe for use in real-time monitoring of radiation dose delivered to clinical radiation therapy patients. An optical fiber probe using radiochromic material has been designed and fabricated based on the deposition of a radiochromic thin film on a dielectric mirror. Measurements of the net optical density vs. time before, during, and after irradiation at a rate of 500 cGy/minute to a total dose of 5 Gy were performed. Net optical densities increased from 0.2 to 2.0 for radiochromic thin film thicknesses of 2 to 20 μm, respectively. An improved optical fiber probe fabrication method is presented.

Paper Details

Date Published: 15 June 2011
PDF: 6 pages
Proc. SPIE 8090, Novel Biophotonic Techniques and Applications, 80900G (15 June 2011); doi: 10.1117/12.889553
Show Author Affiliations
André Croteau, Institut National d'Optique (Canada)
Serge Caron, Institut National d'Optique (Canada)
Alexandra Rink, Princess Margaret Hospital, Univ. of Toronto (Canada)
David Jaffray, Princess Margaret Hospital, Univ. of Toronto (Canada)
Ozzy Mermut, Institut National d'Optique (Canada)


Published in SPIE Proceedings Vol. 8090:
Novel Biophotonic Techniques and Applications
Henricus J. C. M. Sterenborg; I. Alex Vitkin, Editor(s)

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