Fabrication and characterization of a real-time optical fiber dosimeter probe

André Croteau; Serge Caron; Alexandra Rink; David Jaffray; Ozzy Mermut

doi:10.1117/12.889553

14 June 2011 Fabrication and characterization of a real-time optical fiber dosimeter probe

André Croteau, Serge Caron, Alexandra Rink, David Jaffray, Ozzy Mermut

Proceedings Volume 8090, Novel Biophotonic Techniques and Applications; 80900G (2011) https://doi.org/10.1117/12.889553
Event: European Conferences on Biomedical Optics, 2011, Munich, Germany

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.

Citation Download Citation

André Croteau, Serge Caron, Alexandra Rink, David Jaffray, and Ozzy Mermut "Fabrication and characterization of a real-time optical fiber dosimeter probe", Proc. SPIE 8090, Novel Biophotonic Techniques and Applications, 80900G (14 June 2011); https://doi.org/10.1117/12.889553

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