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