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Measurements of planar and depth dose distributions using a scintillating fiber-optic image sensor system for dosimetry in radiotherapeutic applications

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Abstract

We developed a scintillating fiber-optic image sensor system (SFISS) using square plastic optical fibers (POFs), a scintillating film, a right-angle mirror, and a complementary metal-oxide semiconductor (CMOS) image camera for dosimetry in radiotherapeutic applications. In this study, the scintillating light images were obtained for measuring two-dimensional planar dose distributions of a 6MV photon beam in a solid-water phantom. We also measured the percentage depth doses (PDDs) of 6 and 15MV photon beams using the SFISS and compared them with those obtained using conventional dosimetry films. The proposed sensor has many advantages, such as real-time readout, high-resolution measurement, and lack of corrections for temperature, pressure, and humidity. From the results of this study, it is expected that a SFISS can be developed to accurately measure the dose distribution in a small beam field for stereotactic radiosurgery (SRS).

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Authors and Affiliations

  1. School of Biomedical Engineering, College of Biomedical and Health Science, Research Institute of Biomedical Engineering, Konkuk University, Chungju, 380-701, Korea

    Sang Hun Shin, Wook Jae Yoo, Jeong Ki Seo, Ki-Tek Han, Dayeong Jeon, Kyoung Won Jang, Hyeok In Sim & Bongsoo Lee

  2. Department of Organic Materials and Fiber Engineering, College of Engineering, Soongsil University, Seoul, 156-743, Korea

    Seunghyun Cho

Authors
  1. Sang Hun Shin
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  2. Wook Jae Yoo
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  3. Jeong Ki Seo
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  4. Ki-Tek Han
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  5. Dayeong Jeon
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  6. Kyoung Won Jang
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  7. Hyeok In Sim
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  8. Seunghyun Cho
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  9. Bongsoo Lee
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Correspondence to Bongsoo Lee.

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Shin, S.H., Yoo, W.J., Seo, J.K. et al. Measurements of planar and depth dose distributions using a scintillating fiber-optic image sensor system for dosimetry in radiotherapeutic applications. OPT REV 20, 178–181 (2013). https://doi.org/10.1007/s10043-013-0029-y

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  • DOI: https://doi.org/10.1007/s10043-013-0029-y

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