Unprecedented Long-Term Frequency Stability With a Microwave Resonator Oscillator

被引：13
|
作者：
Grop, Serge [1 ]
Schaefer, Wolfgang [2 ]
Bourgeois, Pierre-Yves [1 ]
Kersale, Yann [1 ]
Oxborrow, Mark [3 ]
Rubiola, Enrico [1 ]
Giordano, Vincent [1 ]
机构：
[1] Univ Franche Comte, ENSMM, CNRS, FEMTO ST Inst,Time & Frequency Dept,UMR 6174, F-25030 Besancon, France
[2] TimeTech GmbH, Stuttgart, Germany
[3] Natl Phys Lab, Teddington TW11 0LW, Middx, England
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2011年 / 58卷 / 08期
关键词：
SAPPHIRE OSCILLATOR; COUNTERS;
D O I：
10.1109/TUFFC.2011.1998
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This article reports on the long-term frequency stability characterization of a new type of cryogenic sapphire oscillator using an autonomous pulse-tube cryocooler as its cold source. This new design enables a relative frequency stability of better than 4.5 x 10(-15) over one day of integration. To the best of our knowledge, this represents the best long-term frequency stability ever obtained with a signal source based on a macroscopic resonator.
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页码：1694 / 1697
页数：4
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