Low power stimulated emission nuclear quadrupole resonance detection at multiple reference power levels

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United States of America Patent

PATENT NO 8912788
SERIAL NO

13901765

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Abstract

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System and methods for detecting substances such as explosives via the nuclear quadrupole resonance effect. We observe that the nuclear quadrupole resonances of explosives located within a cavity portal involve continuous Rabi transitions which are nonlinear processes since stimulated emission occurs. In other words, where there are no resonances caused by the presence of an explosive, high average power and low average power measurements should be identical. However, when resonances are stimulated by the system, the difference between these two conditions can be compared to determine a correction to measurements made when a person located in the cavity has explosive material on their person, without the need for separate empty portal or elaborate calibration procedures.

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Patent Owner(s)

  • AMI RESEARCH & DEVELOPMENT, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Apostolos, John T Lyndeborough, US 158 2077
Feng, Judy Nashua, US 47 719
McMahon, Benjamin Nottingham, US 24 406
Mouyos, William Windham, US 80 771

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