| 汞离子微波钟及其研究进展 |
| Mercury ion microwave clock and its research progress |
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| 中文摘要: |
汞离子微波钟是下一代星载原子钟、地面守时原子钟的有力候选者。文章介绍了本团队在汞离子微波钟的离子囚禁、缓冲气体冷却、微波综合器、汞光谱灯等关键技术取得的突破和进展，在此基础上，研制出了小型化汞离子钟整机，其频率稳定度达到了2.3 × 10-15/105 s，同时开展了分区式线形阱汞离子微波钟的技术研究，实现了离子的高效梭动及系统的闭环锁定，测得频率稳定度3.45 × 10-13/τ1/2（τ = 10 ～![]() ![]() 10 000 s），为汞离子微波钟技术的应用奠定了重要基础。 |
| 英文摘要: |
| Mercury ion microwave clock is an ideal candidate for the next generation spaceborne atomic clock and ground?based timekeeping atomic clock. This paper briefly introduces the operation procedure and research status of mercury ion microwave clock, especially the latest research progress made by our group in the key technologies, including the ion trapping, buffer gas cooling, microwave synthesizer and mercury discharge lamp. On this basis, a miniaturized prototype of mercury ion clock has been built using these technologies and demonstrated frequency stability of 2.3 × 10-15/105 s. An extended linear ion trap mercury ion clock is also under development. The ions can be trapped and shuttled back and forth efficiently in the extended ion trap. Frequency stability of 3.45 × 10-13/τ1/2(τ = 10～10 000 s) has been measured in preliminary close?loop operating. All these works lay an important foundation for the further application of mercury ion microwave clock technology. |
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| 中文关键词: 原子钟 汞离子 离子阱 微波综合器 缓冲气体冷却 汞光谱灯 |
| 英文关键词:atomic clock mercury ion ion trap microwave synthesizer buffer gas cooling mercury discharge lamp |
| 基金项目: |
| DOI：10.11823/j.issn.1674-5795.2023.03.10 |
| 引用本文：颜碧波, 陈义和, 柳浩, 佘磊.汞离子微波钟及其研究进展[J].计测技术,2023,(3):. |
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