[ RadSafe ] Z-Backscatter technology

[Amoling, Ronald]

Hi Clayton,

I didn't see your note earlier, but your question has also come through our Public Relations inquiry queue.  The response is on its way to you.

Please feel free to contact me for additional information.

Regards,
Ron


Ronald Amoling, RSO / EHS Manager 
American Science and Engineering, Inc. | www.as-e.com  
829 Middlesex Turnpike | Billerica, MA 01821 USA
Office +1-978-495-9012 | Cell +1-508-728-1348 | RAmoling at as-e.com


-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Bradt, Clayton (HEALTH)
Sent: Thursday, October 22, 2015 11:14 AM
To: RADSAFE <radsafe at health.phys.iit.edu>
Subject: [ RadSafe ] Z-Backscatter technology


https://bgr.com/2015/10/16/nypd-x-ray-spy-vans/

Does anyone know how I might get ahold of technical information on the Z-Backscatter technology as used for example by the AE&S vans mentioned in the above article? I am especially curious as to how the image of the contents of a vehicle is not obscured by backscatter off of the sides of the van and of the vehicle being scanned. Both the beam and scattered x-rays must pass through both vehicles on the way out and back. Also I'm curious about the density information presented in the images of people within a trailer. They appear to show the individuals lungs as dark regions within the thoracic cavities. I would not expect this from a backscatter image.

Clayton Bradt
Principal Radiophysicist
NYS Dept. of Health
518-474-1993