Physical mechanism of the Schwarzschild effect in film dosimetry - Theoretical model and comparison with experiments

Physics in Medicine and Biology

Volumn 51, Issue 17, 2006, Pages 4345-4356

  Djouguela, A ^a,b   Kollhoff, R ^a,b   Ruhmann A ^a,b   Willborn, K C ^a   Harder, D ^c   Poppe, B ^a,b  

^a PIUS HOSPITAL   (Germany)

^b UNIVERSITY OF OLDENBURG   (Germany)

^c UNIVERSITY OF GÖTTINGEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DOSE DISTRIBUTION; NET OPTICAL DENSITY (NET OD); PROTRACTION EXPERIMENTS; RECIPROCITY LAW; SCHWARZSCHILD EFFECT;

CRYSTALS; DENSITY (OPTICAL); ELECTRON TRAPS; FRACTIONATION; MATHEMATICAL MODELS; OPTICAL FILMS; SILVER COMPOUNDS; SOLID STATE PHYSICS;

DOSIMETRY;

SILVER DERIVATIVE;

ARTICLE; COMPARATIVE STUDY; CRYSTAL; ELECTRON; FILM DOSIMETER; INTENSITY MODULATED RADIATION THERAPY; IRRADIATION; MATHEMATICAL MODEL; OPTICAL DENSITY; PRIORITY JOURNAL; RADIATION DOSE DISTRIBUTION; RADIATION DOSE FRACTIONATION; ROOM TEMPERATURE; SOLID STATE; THEORETICAL MODEL;

BROMIDES; CALIBRATION; CATIONS; ELECTRONS; FILM DOSIMETRY; HUMANS; MODELS, THEORETICAL; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; RELATIVE BIOLOGICAL EFFECTIVENESS; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; SILVER; SILVER COMPOUNDS; TEMPERATURE; TIME FACTORS;

EID: 33747598742     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/51/17/014     Document Type: Article

References (18)

1. Angerer E and Joos G 1959 Wissenschaftliche Photographie 7. Auflage (Leipzig: Akademische Verlagsgesellschaft)
2. Bucciolini M, Buonamici F B and Casati M 2004 Verification of IMRT fields by film dosimetry Med. Phys. 31 161-8
3. Childress N L, White R A and Rosen I I 2005 Dosimetric accuracy of Kodak EDR2 film for IMRT verifications Med. Phys. 32 539-48
4. Djouguela A, Kollhoff R, Rubach A, Harder D and Poppe B 2005 The Schwarzschild effect of the dosimetry film EDR 2 Phys. Med. Biol. 50 N317-21
5. Djouguela A 2005 Film dosimetry-physical aspects, working conditions and applications in modern radiotherapy Master Thesis University of Oldenburg, Germany (http://www.student.uni-oldenburg.de/armand.f.djouguela.ouentcheu/ Others.html
6. Gurney R W and Mott N F 1938 The theory of the photolysis of silver bromide and the photographic latent image Proc. R. Soc. London 164 151-67
7. Inhwan J Y and Yong O K 2004 A Procedural Guide to Film Dosimetry, with Emphasis on IMRT (USA: Medical Physics Publishing) pp 2.3-2.4
8. Lea D E 1946 Actions of Radiations on Living Cells (Cambridge: Cambridge University Press)
9. Martens C, Claeys I, De Wagter C and De Neve W 2002 The value of radiographic film for the characterization of intensity-modulated beams Phys. Med. Biol. 47 2221-34
10. Martin J W, Joannie W C and Tinh N 2003 Reciprocity experiments in polymeric photodegradation: a critical review Prog. Org. Coat. 47 292-311
11. Olch A 2002 Dosimetric performance of an enhanced dose range radiographic film for intensity-modulated radiation therapy quality assurance Med. Phys. 29 2159-68
12. Rhein B, Häring P, Debus J and Schlegel W 2002 Dosimetric verification of IMRT treatment plans at the German Cancer Research Center DKFZ Z. Med. Phys. 12 122-32 (in German)
13. Schwarzschild K 1899a Über Abweichungen vom Reciprocitätsgesetz für Bromsilbergelatine Photogr. Corresp. 1899 109-12
14. Schwarzschild K 1899b Über die Wirkung intermittierender Belichtung auf Bromsilbergelatine Photogr. Corresp. 1899 171-8
15. Schwarzschild K 1899c Bemerkungen zur Sensitometrie Photogr. Corresp. 1899 398-401
16. Suchowerska N, Davison A, Drew J and Metcalfe P 1997 The validity of using radiographic film for radiotherapy dosimetry Australas. Phys. Eng. Sci. Med. 20 20-7
17. Zhu X R, Jursinic P A, Grimm D F, Lopez F, Rownd J J and Gillin M T 2002 Evaluation of Kodak EDR2 film for dose verification of intensity modulated radiation therapy delivered by a static multileaf collimator Med. Phys. 29 1687-92
18. Zhu X R, Yoo S, Jursinic P A, Grimm D F, Lopez F, Rownd J J and Gillin M T 2003 Characteristics of sensitometric curves of radiographic films Med. Phys. 30 912-9