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Isotopic abundance in atom trap trace analysis

United States Patent

March 18, 2014
View the Complete Patent at the US Patent & Trademark Office
A method and system for detecting ratios and amounts of isotopes of noble gases. The method and system is constructed to be able to measure noble gas isotopes in water and ice, which helps reveal the geological age of the samples and understand their movements. The method and system uses a combination of a cooled discharge source, a beam collimator, a beam slower and magneto-optic trap with a laser to apply resonance frequency energy to the noble gas to be quenched and detected.
Lu; Zheng-Tian (Lemont, IL), Hu; Shiu-Ming (Anhui, CN), Jiang; Wei (Lemont, IL), Mueller; Peter (Lemont, IL)
UChicago Argonne LLC (Chicago, IL)
13/ 398,657
February 16, 2012
STATEMENT OF GOVERNMENT INTERESTS The United States government has rights in the invention described herein pursuant to Contract No. DE-ACO2-06CH11357 between the United States Department of Energy and UChicago Argonne, LLC, as operator of Argonne National Laboratory and by National Science Foundation, Division of Earth Sciences, under Award No. EAR-0651161.