Ultra-stable microwave cryogenic oscillator operated with a Gifford-McMahon cryocooler

被引：0

作者：

Le Tetu, G. ^{[1
]}

Fluhr, C. ^{[2
]}

Dubois, B. ^{[2
]}

Paris, J. ^{[3
]}

Hostein, R. ^{[3
]}

Giordano, V. ^{[1
]}

机构：

[1] CNRS, Time & Frequency Dept, FEMTO ST Inst, 26 Chemin Epitaphe, F-25000 Besancon, France

[2] FEMTO Engn, 32 Ave Observ, F-25000 Besancon, France

[3] PASQAL SAS, Cold & Vacuum Engn Dept, 7 Rue Leonard de Vinci, F-91300 Massy, France

来源：

CRYOGENICS | 2023年 / 135卷

关键词：

Pulse-tube cryocooler; Gifford-McMahon cryocooler; Ultra-stable oscillator; Frequency stability; BREAST-CONSERVING SURGERY; ELDERLY-PATIENTS; OLDER WOMEN; GERIATRIC ASSESSMENT; SURGICAL-TREATMENT; CANCER-PATIENTS; MANAGEMENT; AGE; RECOMMENDATIONS; ONCOLOGY;

D O I：

10.1016/j.cryogenics.2023.103745

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

We demonstrate for the first time an ultra-stable microwave cryogenic oscillator operated with a Gifford-McMahon (GM) cryocooler. Despite the high level of vibration generated by the GM, we show that an optimised design, with simple passive solutions, enables a sufficient mechanical decoupling to achieve a state-of-the-art frequency stability. The implemented 10 GHz cryogenic oscillator features a fractional frequency stability (ADEV, Allan deviation) sigma(gamma)(r)< 3x 10(-15) for 1 s <= r <= 10(4)s.

引用

页数：9

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