Remote detection of radioactive materials via Coherent Anti-Stokes Raman Scattering
32nd Annual CNS Conference - 2011 June 05-08

Presented at:
32nd Annual CNS Conference
2011 June 05-08
Niagara Falls, Canada
Session Title:
Advanced Reactors and Fuel Cycles

Alexander Chalyk (Passat Ltd)


A sensible nonlinear optical method for remote detection of small quantities of radioactive materials such as deuterium, plutonium, uranium-235, uranium enriched in the isotopes of uranium-233 or uranium-235 with concentration >1 ppb at distances greater than 100 m is proposed. The proposed method is based on remote sensing of the chemo-nuclear by-products(O3, HNO3, HO2NO2, and NO2 with the molar fractions ~ 5 10-7, 3 10-7, 2 10-7 and 4 10-7 correspondingly, produced by gamma and neutron radiation interacting with the surrounding atmosphere. The possibility of Coherent Anti-Stokes Raman Scattering (CARS) registrationfrom specific trace gases is discussed.

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