Magnetic resonance cell

Details Magnetic resonance cell Magnetic resonance cell

G - Physics

01

C

324/1

G01C 19/60 (2006.01) G01C 19/62 (2006.01) G01N 24/00 (2006.01) G01R 33/20 (2006.01)

Patent

CA 1187935

IMPROVED MAGNETIC RESONANCE CELL ABSTRACT There is disclosed a nuclear magnetic alignment device for use in a nuclear magnetic resonance gyroscope and the like. One embodiment includes a container for gas having a layer of rubidium hydride on its inner surface. The container comprising a spherical portion and a tip portion, is rotationally symmetric about an axis of symmetry. Enclosed within the container is a nuclear moment gas having a nuclear electric quadrupole moment, such as xenon-131, and an optically pumpable substance, such as rubidium. A portion of the rubidium is a vapor. The remainder is a condensed pellet which is deposited n the tip of the container such that the pellet is also rotationally symmetric about the axis of symmetry of the container. A layer of rubidium hydride is deposited on the inner surface of the container. The device further includes components for orienting the symmetry axis of the container at an angle to an applied magnetic field such that the relaxation time constant of the aligned nuclear moment gas is substantially at a maximum.

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