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Proceedings Paper

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 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 a thin film of the radiochromic material on a dielectric mirror. Measurements of the net optical density vs. time before, during, and after irradiation at a rate of 500cGy/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.

Paper Details

Date Published: 16 February 2011
PDF: 7 pages
Proc. SPIE 7894, Optical Fibers, Sensors, and Devices for Biomedical Diagnostics and Treatment XI, 789406 (16 February 2011); doi: 10.1117/12.873619
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. 7894:
Optical Fibers, Sensors, and Devices for Biomedical Diagnostics and Treatment XI
Israel Gannot, Editor(s)

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