Patent ID: 6295834
Filing Date: 2001-10-02
Classification: G01R

Abstract:
A hyperpolarizer for producing polarized noble gases, comprising:an optical pumping cell having a non-polarized gas inlet port and a polarized gas outlet port;a magnetic field source operably associated with said optical pumping cell, said magnetic field source configured to provide a region of homogeneity;a NMR coil having first and second opposing ends, said first end positioned adjacent said optical pumping cell within said region of homogeneity;a cryogenic accumulator in fluid communication with said optical pumping cell outlet port;a polarized gas dispensing outlet in fluid communication with said cryogenic accumulator;a polarized gas exit flow line extending between said cryogenic accumulator and said polarized gas dispensing outlet; anda secondary reservoir positioned adjacent said NMR coil second end in fluid communication with said polarized gas exit flow path,wherein said NMR coil is configured such that during operation of said hyperpolarizer, said NMR coil excites a quantity of polarized gas positioned in one of said optical cell and said secondary reservoir.