XRay Scanning Technology Mostly the software end of
- Slides: 10
X-Ray Scanning Technology (Mostly the software end of things) By: Zuzana Srostlik Advisor: Alan Rudge Through Ohio State and CERN
The Hardware FIFO ASIC DISPLAY (ARA 1 -4) COMPUTER LED RESET MICROCHIP USB PORT
The Chip Cd. Zn. Te Detector
The Software: not connected USBtest – DLL V 2. 2 DLP Design Open by: Search Description Serial Number Dev # 0 Data output from Device Description and Serial Numbers are Case Sensitive! STATUS Open 0 0 0 No device connected. No. of Frames New Trial Low Discriminator (0 to 255) High Discriminator (0 to 255) No devices found. EXIT Send Info OK
The Software: connected USBtest – DLL V 2. 2 DLP Design Open by: Search Description Serial Number Dev # 0 Data output from Device Description and Serial Numbers are Case Sensitive! STATUS Open DLPXXXXX ready. No. of 4 110 255 Frames New Trial Low Discriminator (0 to 255) High Discriminator (0 to 255) Devices found: 0 10 0 X 09 EXIT Send Info 10 0 X 09 9 0 XDF …. OK
How Signals Look (with source) Noise Radioactive source Signals not strong enough to pick up
What Work Still Needs to be Done • Figure out why device causes software to spew hex info into GUI edit boxes (buffers) • Reformat device data from USB to fit data display format • With new file, create graphical output (like previous graph) • Test lots of different sources to rate chip performance
How This Matters • Single photon counting with first order energy discrimination offers lower dose and better image resolution than current integrating techniques Direct digital techniques offer significant advantages over current analogue technology and will eventually replace film Small animal imaging requires high count rates in order for example, to see mouse heart beats.
Cool things I did here in Europe • • Three hour blackberry picking expedition Found no less than 4 really awesome playgrounds Went to Bern (farmer’s market!) and Gruyeres (Cheese!) Met some awesome new buddies Had Italian Gelato Hiked in the Juras Experienced wandering herds of grazing herbivores with bells • Lived through crazy Geneva weather and got a sweet sandal tan
The End Thanks to: NSF, Ford, University of Michigan, CERN
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