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Physics Department Seminar 03-05-2010

 Development of fluorescent nuclear track detector technology for mixed radiation field dosimetry

Jeff Sykora

Landauer Inc.

Oklahoma State University, Department of Physics

Experiences in a Ph.D. program in physics are one of a kind, focused on but not limited to science. I will talk about my recent adventures transitioning from an undergraduate at Creighton to finishing Ph.D. work at Oklahoma State University. I will also discuss my research summarized below.
A new method of measuring fast neutrons and photon radiation was developed. The new method combines Al2O3:C,Mg crystals (or any other fluorescent material) irradiated in mixed neutron-gamma fields, a modified confocal laser scanning imaging technique and new image processing routines. A new analog parameter was derived from spatial frequency analysis of the fluorescence images and was found to be proportional to the absorbed dose of neutron, gamma and beta radiation. A method of discriminating neutron from gamma induced signal was developed by applying spatial frequency analysis to fluorescence images behind two converters: hydrogen containing polyethylene and polytetrafluoroethylene (PTFE or Teflon®) that does not have any hydrogen.
 
 

 

Date of Event: 
Friday, March 5, 2010 - 00:30
Location: 
HL G59
Contact info: 
Dr. Jack Gabel

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