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公开(公告)号：US10545461B1
公开(公告)日：2020-01-28
申请号：US15639391
申请日：2017-06-30
发明人： Christopher S. Roper , Adam F. Gross , Matthew T. Rakher , Logan D. Sorenson , John J. Vajo , Jason A. Graetz , Russell Mott , Danny Kim
摘要： Some variations provide an alkali metal or alkaline earth metal vapor cell with a solid ionic conductor and intercalable-compound electrodes. The intercalable-compound electrodes are used as efficient sources and/or as sinks for alkali metal or alkaline earth metal atoms, thus enabling electrical control over metal atom content in the vapor cell. Some variations provide a vapor-cell system comprising: a vapor-cell region configured to allow a vapor-cell optical path into a vapor-cell vapor phase; a first electrode containing an intercalable compound capable of being intercalated by at least one element selected from Rb, Cs, Na, K, or Sr; a second electrode electrically isolated from the first electrode; and an ion-conducting layer between the first electrode and the second electrode. The ion-conducting layer is ionically conductive for at least one ionic species selected from Rb+, Cs+, Na+, K+, or Sr2+. The first intercalable compound is preferably a carbonaceous material, such as graphite.
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公开(公告)号：US10775748B1
公开(公告)日：2020-09-15
申请号：US16720139
申请日：2019-12-19
发明人： Christopher S. Roper , Adam F. Gross , Matthew T. Rakher , Logan D. Sorenson , John J. Vajo , Jason A. Graetz , Russell Mott , Danny Kim
摘要： Some variations provide an alkali metal or alkaline earth metal vapor cell with a solid ionic conductor and intercalable-compound electrodes. The intercalable-compound electrodes are used as efficient sources and/or as sinks for alkali metal or alkaline earth metal atoms, thus enabling electrical control over metal atom content in the vapor cell. Some variations provide a vapor-cell system comprising: a vapor-cell region configured to allow a vapor-cell optical path into a vapor-cell vapor phase; a first electrode; a second electrode electrically isolated from the first electrode, wherein the second electrode contains an intercalable compound intercalated by an element selected from Rb, Cs, Na, K, or Sr; and an ion-conducting layer between the first electrode and the second electrode. The ion-conducting layer is ionically conductive for at least one ionic species selected from Rb+, Cs+, Na+, K+, or Sr2+. The intercalable compound is preferably a carbonaceous material, such as graphite.
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