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Single crystal chemical vapor deposited diamond detectors for intensity-modulated radiation therapy applications

J. Appl. Phys. 106, 084509 (2009); doi:10.1063/1.3247058

Published 23 October 2009

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M. Rebisz-Pomorska,1 D. Tromson,1 A. Isambert,2 B. Marczewska,3 and P. Bergonzo1
1CEA, LIST, Diamond Sensors Laboratory, F-91191 Gif-sur-Yvette, France
2Institut Gustave Roussy (IGR), 94805 Villejuif, France
3Institute of Nuclear Physics, Polish Academy of Sciences (IFJ PAN), 31-342 Kraków, Poland
We report here on first intensity-modulated radiation therapy (IMRT) clinical tests performed at the Gustave Roussy Institute in France using one small (0.117  mm3) synthetic single crystal diamond detector (SCDD). We report the comparison between the point doses evaluated with our detector, with a PTW semiflex air ionization chamber (0.125  cm3) and calculated with the treatment planning system (TPS), respectively. The obtained results show a maximum difference of 2.3% for the diamond detector and of 4.6% for the ionization chamber, as compared with the TPS calculations. These very promising results show the potentiality of chemical vapor deposited SCDD for dosimetry of IMRT fields and opens up the field for diamond dosimeters toward novel applications such as very small beam monitoring. ©2009 American Institute of Physics
History: Received 30 July 2009; accepted 14 September 2009; published 23 October 2009
Permalink: http://link.aip.org/link/?JAPIAU/106/084509/1
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KEYWORDS and PACS

Keywords
PACS
  • 87.53.Jw
    Therapeutic applications (ionizing radiation)
  • 87.53.Bn
    Dosimetry/exposure assessment (ionizing radiation)
  • 87.55.dk
    Dose-volume analysis (radiation therapy treatment planning)
  • 29.40.Mc
    Scintillation detectors
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0021-8979 (print)   1089-7550 (online)
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REFERENCES (6)
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  2. E. Barnett, M. MacKenzie, and B. G. Fallone, Radiol. Oncol. 39, 71 (2005).
  3. C. De Angelis, M. Casati, M. Bruzzi, S. Onori, and M. Bucciolini, Nucl. Instrum. Methods Phys. Res. A 583, 195 (2007).
  4. B. Marczewska, I. Kupriyanov, Yu. Pal'yanov, T. Nowak, P. Olko, M. R[e-ogonek]bisz, and M. P. R. Waligórski, Diamond Relat. Mater. 16, 191 (2007).
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