Alkali metal hybrid spin-exchange optical pumping

Details Alkali metal hybrid spin-exchange optical pumping Alkali metal hybrid spin-exchange optical pumping

C - Chemistry, Metallurgy

01

B

C01B 23/00 (2006.01) G01R 33/30 (2006.01)

Patent

CA 2301197

The present invention relates to a method and apparatus for hyperpolarizing a noble gas by spin-exchange optical pumping which includes a polarization cell containing the noble gas, a primary alkali metal and an auxiliary alkali metal. The polarization cell is illuminated with radiation to optically polarize the primary alkali metal. This enables spin-exchange interaction between the primary alkali metal, the auxiliary alkali metal and the noble gas resulting in a hyperpolarized noble gas.

La présente invention concerne un procédé et un appareil permettant d'hyperpolariser un gaz noble par pompage optique par échange de spin, lequel appareil comprend une cellule de polarisation contenant le gaz noble, un métal alcalin primaire et un métal alcalin secondaire. On illumine la cellule de polarisation à l'aide d'un rayonnement afin de polariser optiquement le métal alcalin primaire, ce qui permet l'interaction par échange de spin entre le métal alcalin primaire, le métal alcalin secondaire et le gaz noble, interaction grâce à laquelle on obtient un gaz noble hyperpolarisé.

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