I have some questions regarding the exposure of EBT3 film to scanner light:
1. Impact of rescanning EBT3 film. Can multiple scans of an non-irradiated film cause changes in the optical density of film?
2. Assessment of film homogeneity with respect to post irradiation time. After the development time (~usually taken 78 hours) for an irradiated EBT3 film, does the optical density of film change with more passage of time?
Please also provide links to some concerned research papers.
Please see the attached guides.To answer your questions:
1. if scanned correctly and using the recommended scanners (either Epson Expression 10000 XL or Vidar DosimetryPro) you should not see any changes in OD
2. The film should be stable as soon as you finished irradiation, you do not need to wait for 78 hours.
Hi Fayzan, Could you send your email to discuss the the curve fitting for EBT2/ EBT3 films. Prof Tomas Kron forward your request to me.
Derrick
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