SCANNER FOR NUCLEAR QUADRUPOLE RESONANCE MEASUREMENTS AND METHOD THEREFOR

An NQR scanner for detecting the presence of a substance containing quadrupole nuclei within an object. A pulse generating means ( 1 ) generates pulse sequences that are used to irradiate the object in a pulsed magnetic field at a requisite NQR frequency for the substance to be detected. A high powe...

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Bibliographische Detailangaben
Hauptverfasser:	HAYES, PETER, ALARIC, RUDAKOV, TARAS, NIKOLAEVITCH, AITKEN, CHRISTOPHER, NORMAN, CHISHOLM, WARRICK, PAUL, FLEXMAN, JOHN, HAROLD, MIKHALTSEVITCH, VASSILI, TIMOFEEVITCH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An NQR scanner for detecting the presence of a substance containing quadrupole nuclei within an object. A pulse generating means ( 1 ) generates pulse sequences that are used to irradiate the object in a pulsed magnetic field at a requisite NQR frequency for the substance to be detected. A high power RF transmit amplifier ( 2 ) amplifies the signal to produce sufficient magnetic field strength to irradiate a scan volume within which the object is disposed for detection purposes and cause an NQR transition to a detectable level within the substance if present within the object. A method for detecting the presence of a substance containing quadrupole nuclei within an object is also described