13.45 o15 n winch
DESCRIPTION
Research 15: N WinchTRANSCRIPT
X-ray imaging using a consumer grade digital SLR camera
Nicola Winch and Andy Edgar
Outline
• X-ray imaging
• Storage phosphors
• New readout technique
• Performance factors
• Images
• Conclusions and future work
X-ray imaging
http://australianaviation.com.au
Imaging plates versus film
Storage phosphor Film
Exposu
re
Storage phosphor
Film
Storage phosphor imaging plates
www.agfa.com
Eu2+
Readout – new method
http://www.stupidcomplex.me/archives/106
Year
Meg
apix
els
Imaging set up
LED
Colour discrimination
CsBr
BaFBr
Sensitivity – X-ray dose
CsBr
BaFBr
Chest
Dental
Ave
rag
e p
ixe
l va
lue
Spatial Resolution
CsBr – imaging plate
BaFBr – imaging plate
Optical - photographic
Modula
tion t
ransfe
r fu
nction
Tarakihi
300 mm
140 mm
Water pump
Wristwatch
30 mm
Integrated Circuits
9 mm
10 mm
Advantages
• Low Cost
• Portable
• X-ray and real images
• Reusable plates
• Easily upgradable
Conclusions and Future Work
• Digital camera can be used for x-ray imaging
• Resolution is comparable to laser scanning
• Portable imaging possible
• Low sensitivity
• Field testing
More info:
Nuclear Instruments and Methods A, 654 (2011) 308-313