Voltage Standard Based on Dry-Cooled High-Temperature Superconductor Josephson Junctions

被引：6

作者：

Khorshev, Sergey K. ^{[1
]}

Pashkovsky, Alexander I. ^{[1
]}

Subbotin, Artem N. ^{[1
]}

Rogozhkina, Nina V. ^{[1
]}

Gryaznov, Yury M. ^{[1
]}

Levichev, Maxim Yu ^{[2
]}

Pestov, Evgeny E. ^{[2
]}

Galin, Mikhail A. ^{[2
]}

Maksimov, Viktor Yu. ^{[3
]}

Zhezlov, Dmitry A. ^{[3
]}

Katkov, Alexander S. ^{[4
]}

Klushin, Alexander M. ^{[2
]}

机构：

[1] Nizhny Novgorod Res & Prod Assoc, Nizhnii Novgorod 603009, Russia

[2] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603950, Russia

[3] State Reg Ctr Standardizat Metrol & Testing Nizhn, Nizhnii Novgorod 603105, Russia

[4] Mendeleyev Inst Metrol, St Petersburg 190005, Russia

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2019年 / 68卷 / 06期

基金：

俄罗斯基础研究基金会; 俄罗斯科学基金会;

关键词：

Calibration; high-temperature superconductors (HTS); Josephson junctions; precision measurements; uncertainty; voltage standard; DC;

D O I：

10.1109/TIM.2019.2896011

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A commercially available compact Josephson voltage standard N4-21 based on high-temperature superconductor Josephson junctions with dry nitrogen temperature cooling is presented. The cryocooler unit of the voltage standard including the cryogenic system and the high-temperature superconductivity Josephson array chip is described. The measured relative standard uncertainties between output voltages of N4-21 and the primary state voltage standard of Russia are only a few parts in 10(8). Such low uncertainties are sufficient for the application of voltage standard N4-21 in the highest-level metrology. The implementation of the link between Josephson junctions and Zener diodes largely eliminates the uncertainty contributions associated with Zeners nonlinear drift, environmental effects, and the impact due to shipping.

引用

页码：2113 / 2120

页数：8

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