AustralieFrV1, PascalFrancis, Curation, bibRecord, 005D48

Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions

Identifieur interne : 005D48 ( PascalFrancis/Curation ); précédent : 005D47; suivant : 005D49

Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions

Auteurs : A. Chaikh [France] ; J. Balosso [France] ; J.-Y. Giraud [France] ; R. Wang [France] ; P. Pittet [France] ; G.-N. Lu [France]

Source :

Radiation measurements [ 1350-4487 ] ; 2014.

RBID : Pascal:15-0018469

Descripteurs français

Pascal (Inist)
- Température, Erreur, Luminescence, Correction, Précision, Dosimétrie.

English descriptors

KwdEn :
- accuracy, corrections, errors, luminescence, temperature.

Abstract

We characterized a recently proposed implantable GaN-based dosimeter in clinical conditions, for its application in external radiotherapy according to ESTRO (European Society for Radiotherapy & Oncology) practical guidelines. Our studies were carried out using a 6 MV photon beam with the dosimeter under test in a water tank or a PMMA phantom. They were focused on evaluating short term and long term reproducibility of measurements, and assessing the effects of parameters such as field size, source-skin distance, use of wedge filter, beam incidence, dose rate, accumulated dose, GaN-induced dose perturbation, air cavities and temperature. The estimated repeatability and reproducibility are better than 0.5% and 2% at 1σ respectively. There are no significant effects of the parameters under our studies, apart from field size and temperature. The field-size dependence is due to over-compensation of the GaN response method of the dosimeter, the resulting errors remain lower than 5% for field sizes up to 10 × 10 cm². The temperature dependence mainly results from the GaN luminescence properties, and causes the GaN response to decrease steadily when increasing temperature, with a sensitivity of - 1.4%/°C. The observed quasi-linear temperature dependence may facilitate the correction to improve the accuracy of measurements.

A01	`01`	`1`		`@0 1350-4487`
A03		`1`		`@0 Radiat. meas.`
A05				`@2 71`
A08	`01`	`1`	`ENG`	`@1 Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions`
A09	`01`	`1`	`ENG`	`@1 Proceedings of the 17^th Solid State Dosimetry Conference (SSD17), Recife, Brazil, 22^th-27^th September, 2013`
A11	`01`	`1`		`@1 CHAIKH (A.)`
A11	`02`	`1`		`@1 BALOSSO (J.)`
A11	`03`	`1`		`@1 GIRAUD (J.-Y.)`
A11	`04`	`1`		`@1 WANG (R.)`
A11	`05`	`1`		`@1 PITTET (P.)`
A11	`06`	`1`		`@1 LU (G.-N.)`
A12	`01`	`1`		`@1 KHOURI (Helen) @9 ed.`
A12	`02`	`1`		`@1 DE AZEVEDO (Walter M.) @9 ed.`
A12	`03`	`1`		`@1 CALDAS (Linda V. E.) @9 ed.`
A12	`04`	`1`		`@1 BAFFA (Oswaldo) @9 ed.`
A12	`05`	`1`		`@1 BAILLIFF (Ian) @9 ed.`
A12	`06`	`1`		`@1 BILSKI (Pawel) @9 ed.`
A12	`07`	`1`		`@1 BRANDAN (María-Ester) @9 ed.`
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A12	`09`	`1`		`@1 D'ERRICO (Francesco) @9 ed.`
A12	`10`	`1`		`@1 DEWERD (Larry) @9 ed.`
A12	`11`	`1`		`@1 MCKEEVER (Steve) @9 ed.`
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A14	`02`			`@1 Université Joseph Fourier @2 Grenoble @3 FRA @Z 2 aut.`
A14	`03`			`@1 Institut des Nanotechnologies de Lyon, INL, CNRS UMR5270, Université de Lyon @2 Lyon 69003 @3 FRA @Z 4 aut. @Z 5 aut. @Z 6 aut.`
A14	`04`			`@1 Université Lyon 1 @2 Villeurbanne 69622 @3 FRA @Z 4 aut. @Z 5 aut. @Z 6 aut.`
A15	`01`			`@1 Federal University of Pernambuco @2 Recife @3 BRA @Z 1 aut. @Z 2 aut.`
A15	`02`			`@1 IPEN-CNEN/SP @2 São Paulo @3 BRA @Z 3 aut.`
A15	`03`			`@1 University of São Paulo @3 BRA @Z 4 aut.`
A15	`04`			`@1 Durham University @3 GBR @Z 5 aut.`
A15	`05`			`@1 Institute of Nuclear Physics @2 Krakow @3 POL @Z 6 aut.`
A15	`06`			`@1 Universidad Nacional Autónoma de México @2 Mexico @3 MEX @Z 7 aut.`
A15	`07`			`@1 Tel-Aviv University @2 Tel-Aviv @3 ISR @Z 8 aut.`
A15	`08`			`@1 Yale University @2 New Haven @3 USA @Z 9 aut.`
A15	`09`			`@1 University of Wisconsin @2 Madison @3 USA @Z 10 aut.`
A15	`10`			`@1 Oklahoma State University @2 Stillwater @3 USA @Z 11 aut. @Z 18 aut.`
A15	`11`			`@1 Ruder Bošković Institute @2 Zagreb @3 HRV @Z 12 aut.`
A15	`12`			`@1 University of Wollongong @2 Wollongong @3 AUS @Z 13 aut.`
A15	`13`			`@1 Seibersdorf Labor GmgH @2 Seibersdorf @3 AUT @Z 14 aut.`
A15	`14`			`@1 Carletown University @2 Ottawa @3 CAN @Z 15 aut.`
A15	`15`			`@1 Belgian Nuclear Research Centre @2 Mol @3 BEL @Z 16 aut.`
A15	`16`			`@1 Helmholtz Zentrum München @2 Neuherberg @3 DEU @Z 17 aut.`
A15	`17`			`@1 Delft University of Technology @3 NLD @Z 19 aut.`
A18	`01`	`1`		`@1 International Solid State Dosimetry Organisation (ISSDO) @3 INT @9 org-cong.`
A20				`@1 392-395`
A21				`@1 2014`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 17536 @5 354000504590240830`
A44				`@0 0000 @1 © 2015 INIST-CNRS. All rights reserved.`
A45				`@0 1/4 p.`
A47	`01`	`1`		`@0 15-0018469`
A60				`@1 P @2 C`
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A64	`01`	`1`		`@0 Radiation measurements`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 We characterized a recently proposed implantable GaN-based dosimeter in clinical conditions, for its application in external radiotherapy according to ESTRO (European Society for Radiotherapy & Oncology) practical guidelines. Our studies were carried out using a 6 MV photon beam with the dosimeter under test in a water tank or a PMMA phantom. They were focused on evaluating short term and long term reproducibility of measurements, and assessing the effects of parameters such as field size, source-skin distance, use of wedge filter, beam incidence, dose rate, accumulated dose, GaN-induced dose perturbation, air cavities and temperature. The estimated repeatability and reproducibility are better than 0.5% and 2% at 1σ respectively. There are no significant effects of the parameters under our studies, apart from field size and temperature. The field-size dependence is due to over-compensation of the GaN response method of the dosimeter, the resulting errors remain lower than 5% for field sizes up to 10 × 10 cm². The temperature dependence mainly results from the GaN luminescence properties, and causes the GaN response to decrease steadily when increasing temperature, with a sensitivity of - 1.4%/°C. The observed quasi-linear temperature dependence may facilitate the correction to improve the accuracy of measurements.
C02	`01`	`2`		`@0 001E01C02`
C02	`02`	`2`		`@0 220C02`
C03	`01`	`2`	`FRE`	`@0 Température @5 02`
C03	`01`	`2`	`ENG`	`@0 temperature @5 02`
C03	`01`	`2`	`SPA`	`@0 Temperatura @5 02`
C03	`02`	`2`	`FRE`	`@0 Erreur @5 03`
C03	`02`	`2`	`ENG`	`@0 errors @5 03`
C03	`02`	`2`	`SPA`	`@0 Error @5 03`
C03	`03`	`2`	`FRE`	`@0 Luminescence @5 04`
C03	`03`	`2`	`ENG`	`@0 luminescence @5 04`
C03	`03`	`2`	`SPA`	`@0 Luminiscencia @5 04`
C03	`04`	`2`	`FRE`	`@0 Correction @5 05`
C03	`04`	`2`	`ENG`	`@0 corrections @5 05`
C03	`04`	`2`	`SPA`	`@0 Corrección @5 05`
C03	`05`	`2`	`FRE`	`@0 Précision @5 06`
C03	`05`	`2`	`ENG`	`@0 accuracy @5 06`
C03	`05`	`2`	`SPA`	`@0 Precisión @5 06`
C03	`06`	`2`	`FRE`	`@0 Dosimétrie @4 INC @5 52`
N21				`@1 026`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

A30	`01`	`1`	`ENG`	`@1 SSD17 Solid State Dosimetry Conference @2 17 @3 Recife BRA @4 2013-09-22`

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Pascal:15-0018469

Le document en format XML

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<series><title level="j" type="main">Radiation measurements</title>
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<front><div type="abstract" xml:lang="en">We characterized a recently proposed implantable GaN-based dosimeter in clinical conditions, for its application in external radiotherapy according to ESTRO (European Society for Radiotherapy & Oncology) practical guidelines. Our studies were carried out using a 6 MV photon beam with the dosimeter under test in a water tank or a PMMA phantom. They were focused on evaluating short term and long term reproducibility of measurements, and assessing the effects of parameters such as field size, source-skin distance, use of wedge filter, beam incidence, dose rate, accumulated dose, GaN-induced dose perturbation, air cavities and temperature. The estimated repeatability and reproducibility are better than 0.5% and 2% at 1σ respectively. There are no significant effects of the parameters under our studies, apart from field size and temperature. The field-size dependence is due to over-compensation of the GaN response method of the dosimeter, the resulting errors remain lower than 5% for field sizes up to 10 × 10 cm<sup>2</sup>
. The temperature dependence mainly results from the GaN luminescence properties, and causes the GaN response to decrease steadily when increasing temperature, with a sensitivity of - 1.4%/°C. The observed quasi-linear temperature dependence may facilitate the correction to improve the accuracy of measurements.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the 17<sup>th</sup>
 Solid State Dosimetry Conference (SSD17), Recife, Brazil, 22<sup>th</sup>
-27<sup>th</sup>
 September, 2013</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>CHAIKH (A.)</s1>
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<fA11 i1="02" i2="1"><s1>BALOSSO (J.)</s1>
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<fA11 i1="03" i2="1"><s1>GIRAUD (J.-Y.)</s1>
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<fA11 i1="04" i2="1"><s1>WANG (R.)</s1>
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<fA11 i1="05" i2="1"><s1>PITTET (P.)</s1>
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<fA11 i1="06" i2="1"><s1>LU (G.-N.)</s1>
</fA11>
<fA12 i1="01" i2="1"><s1>KHOURI (Helen)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="02" i2="1"><s1>DE AZEVEDO (Walter M.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="03" i2="1"><s1>CALDAS (Linda V. E.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="04" i2="1"><s1>BAFFA (Oswaldo)</s1>
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<fA12 i1="05" i2="1"><s1>BAILLIFF (Ian)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="06" i2="1"><s1>BILSKI (Pawel)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="07" i2="1"><s1>BRANDAN (María-Ester)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="08" i2="1"><s1>CHEN (Reuven)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="09" i2="1"><s1>D'ERRICO (Francesco)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="10" i2="1"><s1>DEWERD (Larry)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="11" i2="1"><s1>MCKEEVER (Steve)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="12" i2="1"><s1>SAVETA (Miljanić)</s1>
<s9>ed.</s9>
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<fA12 i1="13" i2="1"><s1>ROSENFELD (Anatoly)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="14" i2="1"><s1>STADTMANN (Hannes)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="15" i2="1"><s1>SAWAKUCHI (Gabriel O.)</s1>
<s9>ed.</s9>
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<fA12 i1="16" i2="1"><s1>VANHAVERE (Filip)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="17" i2="1"><s1>WODA (Clemens)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="18" i2="1"><s1>YUKIHARA (Eduardo)</s1>
<s9>ed.</s9>
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<fA12 i1="19" i2="1"><s1>BOS (Adrie J. J.)</s1>
<s9>ed.</s9>
</fA12>
<fA14 i1="01"><s1>Service de Radiothérapie, Centre Hospitalier, Universitaire de Grenoble, BP 217</s1>
<s2>38043 Grenoble</s2>
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<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Université Joseph Fourier</s1>
<s2>Grenoble</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Institut des Nanotechnologies de Lyon, INL, CNRS UMR5270, Université de Lyon</s1>
<s2>Lyon 69003</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Université Lyon 1</s1>
<s2>Villeurbanne 69622</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA15 i1="01"><s1>Federal University of Pernambuco</s1>
<s2>Recife</s2>
<s3>BRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA15>
<fA15 i1="02"><s1>IPEN-CNEN/SP</s1>
<s2>São Paulo</s2>
<s3>BRA</s3>
<sZ>3 aut.</sZ>
</fA15>
<fA15 i1="03"><s1>University of São Paulo</s1>
<s3>BRA</s3>
<sZ>4 aut.</sZ>
</fA15>
<fA15 i1="04"><s1>Durham University</s1>
<s3>GBR</s3>
<sZ>5 aut.</sZ>
</fA15>
<fA15 i1="05"><s1>Institute of Nuclear Physics</s1>
<s2>Krakow</s2>
<s3>POL</s3>
<sZ>6 aut.</sZ>
</fA15>
<fA15 i1="06"><s1>Universidad Nacional Autónoma de México</s1>
<s2>Mexico</s2>
<s3>MEX</s3>
<sZ>7 aut.</sZ>
</fA15>
<fA15 i1="07"><s1>Tel-Aviv University</s1>
<s2>Tel-Aviv</s2>
<s3>ISR</s3>
<sZ>8 aut.</sZ>
</fA15>
<fA15 i1="08"><s1>Yale University</s1>
<s2>New Haven</s2>
<s3>USA</s3>
<sZ>9 aut.</sZ>
</fA15>
<fA15 i1="09"><s1>University of Wisconsin</s1>
<s2>Madison</s2>
<s3>USA</s3>
<sZ>10 aut.</sZ>
</fA15>
<fA15 i1="10"><s1>Oklahoma State University</s1>
<s2>Stillwater</s2>
<s3>USA</s3>
<sZ>11 aut.</sZ>
<sZ>18 aut.</sZ>
</fA15>
<fA15 i1="11"><s1>Ruder Bošković Institute</s1>
<s2>Zagreb</s2>
<s3>HRV</s3>
<sZ>12 aut.</sZ>
</fA15>
<fA15 i1="12"><s1>University of Wollongong</s1>
<s2>Wollongong</s2>
<s3>AUS</s3>
<sZ>13 aut.</sZ>
</fA15>
<fA15 i1="13"><s1>Seibersdorf Labor GmgH</s1>
<s2>Seibersdorf</s2>
<s3>AUT</s3>
<sZ>14 aut.</sZ>
</fA15>
<fA15 i1="14"><s1>Carletown University</s1>
<s2>Ottawa</s2>
<s3>CAN</s3>
<sZ>15 aut.</sZ>
</fA15>
<fA15 i1="15"><s1>Belgian Nuclear Research Centre</s1>
<s2>Mol</s2>
<s3>BEL</s3>
<sZ>16 aut.</sZ>
</fA15>
<fA15 i1="16"><s1>Helmholtz Zentrum München</s1>
<s2>Neuherberg</s2>
<s3>DEU</s3>
<sZ>17 aut.</sZ>
</fA15>
<fA15 i1="17"><s1>Delft University of Technology</s1>
<s3>NLD</s3>
<sZ>19 aut.</sZ>
</fA15>
<fA18 i1="01" i2="1"><s1>International Solid State Dosimetry Organisation (ISSDO)</s1>
<s3>INT</s3>
<s9>org-cong.</s9>
</fA18>
<fA20><s1>392-395</s1>
</fA20>
<fA21><s1>2014</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>17536</s2>
<s5>354000504590240830</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2015 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>1/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>15-0018469</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Radiation measurements</s0>
</fA64>
<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>We characterized a recently proposed implantable GaN-based dosimeter in clinical conditions, for its application in external radiotherapy according to ESTRO (European Society for Radiotherapy & Oncology) practical guidelines. Our studies were carried out using a 6 MV photon beam with the dosimeter under test in a water tank or a PMMA phantom. They were focused on evaluating short term and long term reproducibility of measurements, and assessing the effects of parameters such as field size, source-skin distance, use of wedge filter, beam incidence, dose rate, accumulated dose, GaN-induced dose perturbation, air cavities and temperature. The estimated repeatability and reproducibility are better than 0.5% and 2% at 1σ respectively. There are no significant effects of the parameters under our studies, apart from field size and temperature. The field-size dependence is due to over-compensation of the GaN response method of the dosimeter, the resulting errors remain lower than 5% for field sizes up to 10 × 10 cm<sup>2</sup>
. The temperature dependence mainly results from the GaN luminescence properties, and causes the GaN response to decrease steadily when increasing temperature, with a sensitivity of - 1.4%/°C. The observed quasi-linear temperature dependence may facilitate the correction to improve the accuracy of measurements.</s0>
</fC01>
<fC02 i1="01" i2="2"><s0>001E01C02</s0>
</fC02>
<fC02 i1="02" i2="2"><s0>220C02</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE"><s0>Température</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG"><s0>temperature</s0>
<s5>02</s5>
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<fC03 i1="01" i2="2" l="SPA"><s0>Temperatura</s0>
<s5>02</s5>
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<s5>03</s5>
</fC03>
<fC03 i1="02" i2="2" l="ENG"><s0>errors</s0>
<s5>03</s5>
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<fC03 i1="02" i2="2" l="SPA"><s0>Error</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Luminescence</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG"><s0>luminescence</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="2" l="SPA"><s0>Luminiscencia</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE"><s0>Correction</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG"><s0>corrections</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="2" l="SPA"><s0>Corrección</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Précision</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>accuracy</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Precisión</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Dosimétrie</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fN21><s1>026</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
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<fN82><s1>OTO</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>SSD17 Solid State Dosimetry Conference</s1>
<s2>17</s2>
<s3>Recife BRA</s3>
<s4>2013-09-22</s4>
</fA30>
</pR>
</standard>
</inist>
</record>

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Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions

Characterization of GaN dosimetry for 6 MV photon beam in clinical conditions

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