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16 February 2011 Real-time optical fiber dosimeter probe
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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.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
André Croteau, Serge Caron, Alexandra Rink, David Jaffray, and Ozzy Mermut "Real-time optical fiber dosimeter probe", Proc. SPIE 7894, Optical Fibers, Sensors, and Devices for Biomedical Diagnostics and Treatment XI, 789406 (16 February 2011); https://doi.org/10.1117/12.873619
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