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A method of increasing the film intrinsic robustness of radiochromic film dosimetry

(2012) PHYSICS IN MEDICINE AND BIOLOGY. 57(22). p.N445-N456
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Abstract
The radiochromic film, which is used, in combination with a flatbed scanner has become a widely used tool for a quantitative evaluation of radiation dose in radiation therapy. One aspect of uncertainty using the radiochromic film is the magnitude of orientation effects when the orientation of the film is not kept constant during the digitization process. The aim of this note was to investigate the impact of using a combination of two crossed sheets of EBT2 film on various aspects of radiochromic film dosimetry. First the impact on the film sensitivity was studied. We also investigated the influence on orientation effects during scanning. The results show that the double crossed film combination increases the sensitivity with a factor 1.7-2.1 and practically eliminates the effects of film orientation on the optical density read-out and the lateral correction profiles.
Keywords
GAFCHROMIC FILM, EBT, FLAT-BED SCANNER, RADIOTHERAPY, ORIENTATION, RESOLUTION

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MLA
Ngwa Ebongue, Alexandre, et al. “A Method of Increasing the Film Intrinsic Robustness of Radiochromic Film Dosimetry.” PHYSICS IN MEDICINE AND BIOLOGY, vol. 57, no. 22, 2012, pp. N445–56, doi:10.1088/0031-9155/57/22/N445.
APA
Ngwa Ebongue, A., Srivastava, R. P., Njock, M. K., & De Wagter, C. (2012). A method of increasing the film intrinsic robustness of radiochromic film dosimetry. PHYSICS IN MEDICINE AND BIOLOGY, 57(22), N445–N456. https://doi.org/10.1088/0031-9155/57/22/N445
Chicago author-date
Ngwa Ebongue, Alexandre, Raju Prasad Srivastava, MG Kwato Njock, and Carlos De Wagter. 2012. “A Method of Increasing the Film Intrinsic Robustness of Radiochromic Film Dosimetry.” PHYSICS IN MEDICINE AND BIOLOGY 57 (22): N445–56. https://doi.org/10.1088/0031-9155/57/22/N445.
Chicago author-date (all authors)
Ngwa Ebongue, Alexandre, Raju Prasad Srivastava, MG Kwato Njock, and Carlos De Wagter. 2012. “A Method of Increasing the Film Intrinsic Robustness of Radiochromic Film Dosimetry.” PHYSICS IN MEDICINE AND BIOLOGY 57 (22): N445–N456. doi:10.1088/0031-9155/57/22/N445.
Vancouver
1.
Ngwa Ebongue A, Srivastava RP, Njock MK, De Wagter C. A method of increasing the film intrinsic robustness of radiochromic film dosimetry. PHYSICS IN MEDICINE AND BIOLOGY. 2012;57(22):N445–56.
IEEE
[1]
A. Ngwa Ebongue, R. P. Srivastava, M. K. Njock, and C. De Wagter, “A method of increasing the film intrinsic robustness of radiochromic film dosimetry,” PHYSICS IN MEDICINE AND BIOLOGY, vol. 57, no. 22, pp. N445–N456, 2012.
@article{3079662,
  abstract     = {{The radiochromic film, which is used, in combination with a flatbed scanner has become a widely used tool for a quantitative evaluation of radiation dose in radiation therapy. One aspect of uncertainty using the radiochromic film is the magnitude of orientation effects when the orientation of the film is not kept constant during the digitization process. The aim of this note was to investigate the impact of using a combination of two crossed sheets of EBT2 film on various aspects of radiochromic film dosimetry. First the impact on the film sensitivity was studied. We also investigated the influence on orientation effects during scanning. The results show that the double crossed film combination increases the sensitivity with a factor 1.7-2.1 and practically eliminates the effects of film orientation on the optical density read-out and the lateral correction profiles.}},
  author       = {{Ngwa Ebongue, Alexandre and Srivastava, Raju Prasad and Njock, MG Kwato and De Wagter, Carlos}},
  issn         = {{0031-9155}},
  journal      = {{PHYSICS IN MEDICINE AND BIOLOGY}},
  keywords     = {{GAFCHROMIC FILM,EBT,FLAT-BED SCANNER,RADIOTHERAPY,ORIENTATION,RESOLUTION}},
  language     = {{eng}},
  number       = {{22}},
  pages        = {{N445--N456}},
  title        = {{A method of increasing the film intrinsic robustness of radiochromic film dosimetry}},
  url          = {{http://dx.doi.org/10.1088/0031-9155/57/22/N445}},
  volume       = {{57}},
  year         = {{2012}},
}

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