Method and apparatus for highly sensitive spectroscopy of trappe

Details Method and apparatus for highly sensitive spectroscopy of trappe Method and apparatus for highly sensitive spectroscopy of trappe

1990-02-02

1991-01-01

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250290, 250281, 250282, G01N 2414

Patent

active

049820885

ABSTRACT:
An apparatus and method are disclosed for detection of spectra of internal transitions via ion cyclotron resonance techniques. Details of ion containment in a Penning trap and coupling of spin to spatial motions by the addition of a magnetic bottle field are described in both calssical and quantum mechanical formalisms. The invention alters the axial motion of a single ion with a train of spin flips and monitors magnetic resonance through changes in the cyclotron frequency. Detection of such a signal for a single ion (or a small cloud) provides a sensitivity increase of ten to twenty orders of magnitude over conventional magnetic resonance techniques.

REFERENCES:
patent: 3973955 (1976-02-01), Limisarow et al.
patent: 4563579 (1986-01-01), Kallerbads et al.
patent: 4686365 (1987-08-01), Meek et al.
patent: 4755670 (1988-07-01), Syka et al.

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