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  4. Compact High-Performance Continuous-Wave Double-Resonance Rubidium Standard with 1.4 × 10<sup>−13</sup> <i>τ</i> <sup>−1/2</sup> Stability
 
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Compact High-Performance Continuous-Wave Double-Resonance Rubidium Standard with 1.4 × 10<sup>−13</sup> <i>τ</i> <sup>−1/2</sup> Stability

Auteur(s)
Bandi, Thejesh
Affolderbach, Christoph 
Institut de physique 
Stefanucci, Camillo 
Institut de physique 
Merli, Francesco
Skrivervik, Anja K
Mileti, Gaetano 
Institut de physique 
In
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, IEEE, 2014/61/11/1769-1778
Résumé
We present our studies on a compact high-performance continuous wave (CW) double-resonance (DR) rubidium frequency standard in view of future portable applications. Our clock exhibits a short-term stability of 1.4 × 10<sup>−13</sup> <i>τ</i> <sup>−1/2</sup>, consistent with the short-term noise budget for an optimized DR signal. The metrological studies on the medium- to longterm stability of our Rb standard with measured stabilities are presented. The dependence of microwave power shift on light intensity, and the possibility to suppress the microwave power shift is demonstrated. The instabilities arising from the vapor cell geometric effect are evaluated, and are found to act on two different time scales (fast and slow stem effects). The resulting medium- to long-term stability limit is around 5.5 × 10<sup>-14</sup>. Further required improvements, particularly focusing on medium- to long-term clock performance, are discussed.
Identifiants
https://libra.unine.ch/handle/123456789/8184
_
10.1109/TUFFC.2013.005955
Type de publication
journal article
Dossier(s) à télécharger
 main article: Bandi_T.-Compact_High-Performance-20141111.pdf (2.9 MB)
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