提高频率稳定性的低温蓝宝石振荡器

Proceedings of the 2000 IEEE/EIA International Frequency Control Symposium and Exhibition (Cat. No.00CH37052) Pub Date : 2000-06-07 DOI:10.1109/FREQ.2000.887403

S. Chang, A. Mann, A. Luiten

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引用次数: 11

摘要

在改进安装结构的液氦冷却蓝宝石谐振器上实现了极高的短期频率稳定性。这些振荡器在积分时间/spl tau/ 1-4秒时表现出约5.4/spl times/10/sup -16/spl tau/1/2/的艾伦偏差，在32秒时表现出2.4/spl times/10/sup -16/的最小艾伦频率偏差。

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Cryogenic sapphire oscillator with improved frequency stability

Extremely high short-term frequency stability has been realized in oscillators based on liquid helium cooled sapphire resonators with a modified mounting structure. These oscillators have exhibited an Allan deviation of about 5.4/spl times/10/sup -16/spl tau/1/2/ for integration time /spl tau/ of 1-4 s and a minimum Allan frequency deviation of 2.4/spl times/10/sup -16/ at 32 s.

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Proceedings of the 2000 IEEE/EIA International Frequency Control Symposium and Exhibition (Cat. No.00CH37052)

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