Real-Time Optical Fiber Dosimeter Probe

被引：4

作者：

Croteau, Andre ^{[1
]}

Caron, Serge ^{[1
]}

Rink, Alexandra ^{[2
]}

Jaffray, David ^{[2
]}

Mermut, Ozzy ^{[1
]}

机构：

[1] INO, 2740 Einstein St, Quebec City, PQ G1P 4S4, Canada

[2] Univ Toronto, Princess Margaret Hosp, Dept Radiat Oncol, Toronto, ON M5G 2M9, Canada

来源：

OPTICAL FIBERS, SENSORS, AND DEVICES FOR BIOMEDICAL DIAGNOSTICS AND TREATMENT XI | 2011年 / 7894卷

关键词：

Dosimetry; dosimeter probe; radiochromic thin films; real-time; optical fiber; passive; RADIOCHROMIC MEDIUM;

D O I：

10.1117/12.873619

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

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 mu m, respectively.

引用

页数：7

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