Spectrophotometric determination of the optimal wavelength for a polymer-gel dosimeter

Kyung Hwan Chang; Suk Lee; Yuan Jie Cao; Jang Bo Shim; Jung Ae Lee; Dae Sik Yang; Young Je Park; Won Sup Yoon; Chul Yong Kim; Sam Ju Cho; Sang Hoon Lee; Woo Chul Kim; Chul Kee Min; Kwang Hwan Cho; Hyun Do Huh

doi:10.3938/jkps.62.1194

Spectrophotometric determination of the optimal wavelength for a polymer-gel dosimeter

Kyung Hwan Chang, Suk Lee, Yuan Jie Cao, Jang Bo Shim, Jung Ae Lee, Dae Sik Yang, Young Je Park, Won Sup Yoon, Chul Yong Kim, Sam Ju Cho, Sang Hoon Lee, Woo Chul Kim, Chul Kee Min, Kwang Hwan Cho, Hyun Do Huh

Department of Biomedical Sciences

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The purpose of this study was to determine the optimal wavelength for a polymer-gel dosimeter previously developed by our research groups; this was done through a spectrophotometric characterization of its dosimetric properties. A gel sample was irradiated with a 6-MV photon beam from a linear accelerator, and its response was spectrophotometrically analyzed. The absorbance, dose linearity, reproducibility, and dose-rate dependence of the dosimeter were evaluated at various wavelengths and doses. The absorbance of the polymer-gel dosimeter did not show any peak sensitivity within the studied range of wavelengths. For the range of doses studied, the best dose linearity was recorded, with an R² of 0.9701 at a wavelength of 400 nm. The reproducibility of the results was excellent, and the error in the dose-rate dependence was within the range of ± 3%. The gel dosimeter displayed a very stable response, thus confirming the efficiency of this 3D dosimeter.

Original language	English
Pages (from-to)	1194-1198
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	62
Issue number	8
DOIs	https://doi.org/10.3938/jkps.62.1194
Publication status	Published - 2013 Apr

Bibliographical note

Funding Information:
This work was supported by a Korea University Grant and this work was supported by the Technology Innovation Program, 10040362, Development of an Integrated Management Solution for Radiation Therapy, funded by the Ministry of Knowledge Economy (MKE, Korea).

Keywords

Absorbance
Dose linearity
Optimal wavelength
Polymer gel
Spectrophotometer

ASJC Scopus subject areas

General Physics and Astronomy

Access to Document

10.3938/jkps.62.1194

Cite this

Chang, K. H., Lee, S., Cao, Y. J., Shim, J. B., Lee, J. A., Yang, D. S., Park, Y. J., Yoon, W. S., Kim, C. Y., Cho, S. J., Lee, S. H., Kim, W. C., Min, C. K., Cho, K. H., & Huh, H. D. (2013). Spectrophotometric determination of the optimal wavelength for a polymer-gel dosimeter. Journal of the Korean Physical Society, 62(8), 1194-1198. https://doi.org/10.3938/jkps.62.1194

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abstract = "The purpose of this study was to determine the optimal wavelength for a polymer-gel dosimeter previously developed by our research groups; this was done through a spectrophotometric characterization of its dosimetric properties. A gel sample was irradiated with a 6-MV photon beam from a linear accelerator, and its response was spectrophotometrically analyzed. The absorbance, dose linearity, reproducibility, and dose-rate dependence of the dosimeter were evaluated at various wavelengths and doses. The absorbance of the polymer-gel dosimeter did not show any peak sensitivity within the studied range of wavelengths. For the range of doses studied, the best dose linearity was recorded, with an R2 of 0.9701 at a wavelength of 400 nm. The reproducibility of the results was excellent, and the error in the dose-rate dependence was within the range of ± 3%. The gel dosimeter displayed a very stable response, thus confirming the efficiency of this 3D dosimeter.",

keywords = "Absorbance, Dose linearity, Optimal wavelength, Polymer gel, Spectrophotometer",

author = "Chang, {Kyung Hwan} and Suk Lee and Cao, {Yuan Jie} and Shim, {Jang Bo} and Lee, {Jung Ae} and Yang, {Dae Sik} and Park, {Young Je} and Yoon, {Won Sup} and Kim, {Chul Yong} and Cho, {Sam Ju} and Lee, {Sang Hoon} and Kim, {Woo Chul} and Min, {Chul Kee} and Cho, {Kwang Hwan} and Huh, {Hyun Do}",

note = "Funding Information: This work was supported by a Korea University Grant and this work was supported by the Technology Innovation Program, 10040362, Development of an Integrated Management Solution for Radiation Therapy, funded by the Ministry of Knowledge Economy (MKE, Korea).",

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doi = "10.3938/jkps.62.1194",

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AU - Yang, Dae Sik

AU - Park, Young Je

AU - Yoon, Won Sup

AU - Kim, Chul Yong

AU - Cho, Sam Ju

AU - Lee, Sang Hoon

AU - Kim, Woo Chul

AU - Min, Chul Kee

AU - Cho, Kwang Hwan

AU - Huh, Hyun Do

N1 - Funding Information: This work was supported by a Korea University Grant and this work was supported by the Technology Innovation Program, 10040362, Development of an Integrated Management Solution for Radiation Therapy, funded by the Ministry of Knowledge Economy (MKE, Korea).

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N2 - The purpose of this study was to determine the optimal wavelength for a polymer-gel dosimeter previously developed by our research groups; this was done through a spectrophotometric characterization of its dosimetric properties. A gel sample was irradiated with a 6-MV photon beam from a linear accelerator, and its response was spectrophotometrically analyzed. The absorbance, dose linearity, reproducibility, and dose-rate dependence of the dosimeter were evaluated at various wavelengths and doses. The absorbance of the polymer-gel dosimeter did not show any peak sensitivity within the studied range of wavelengths. For the range of doses studied, the best dose linearity was recorded, with an R2 of 0.9701 at a wavelength of 400 nm. The reproducibility of the results was excellent, and the error in the dose-rate dependence was within the range of ± 3%. The gel dosimeter displayed a very stable response, thus confirming the efficiency of this 3D dosimeter.

AB - The purpose of this study was to determine the optimal wavelength for a polymer-gel dosimeter previously developed by our research groups; this was done through a spectrophotometric characterization of its dosimetric properties. A gel sample was irradiated with a 6-MV photon beam from a linear accelerator, and its response was spectrophotometrically analyzed. The absorbance, dose linearity, reproducibility, and dose-rate dependence of the dosimeter were evaluated at various wavelengths and doses. The absorbance of the polymer-gel dosimeter did not show any peak sensitivity within the studied range of wavelengths. For the range of doses studied, the best dose linearity was recorded, with an R2 of 0.9701 at a wavelength of 400 nm. The reproducibility of the results was excellent, and the error in the dose-rate dependence was within the range of ± 3%. The gel dosimeter displayed a very stable response, thus confirming the efficiency of this 3D dosimeter.

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Spectrophotometric determination of the optimal wavelength for a polymer-gel dosimeter

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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