抽样电测量的量子标准——EMRP项目Q-WAVE的主要目标和初步成果

29th Conference on Precision Electromagnetic Measurements (CPEM 2014) Pub Date : 2014-10-02 DOI:10.1109/CPEM.2014.6898489

J. Kohlmann, R. Behr, O. Kieler, J. Diaz De Aguilar Rois, M. Sira, A. Sosso, B. Trinchera, J. Gran, H. Malmbekk, B. Jeanneret, F. Overney, J. Nissila, T. Lehtonen, J. Ireland, J. Williams, R. Lapuh, B. Voljc, T. Bergsten, G. Eklund, T. Coskun Ozturk, E. Houtzager, H. E. van den Brom, P. Ohlckers

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引用次数: 5

摘要

约瑟夫森电压标准是在直流和低频交流电压下使用的。不断增长的需求i)提供任意波形的可追溯性，ii)将使用范围扩展到更高的频率，以及iii)提高精度，正在由欧盟和参与欧洲计量研究计划(EMRP)的国家共同资助的Q-WAVE项目中得到解决。在这里，采样测量和程序使用二分1v和10v阵列进行了研究。此外，一种用于直接测量任意波形的基于量子的模数转换器正在开发中。它将包含几个约瑟夫森阵列，通过基于光电子的脉冲驱动进行串联偏置，以增加输出电压。

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A quantum standard for sampled electrical measurements - main goals and first results of the EMRP project Q-WAVE

Josephson voltage standards are well established for use at dc and low-frequency ac voltages. The increasing demand i) to provide traceability for arbitrary waveforms, ii) to extend the range of use to higher frequencies, and iii) to improve the accuracy is being addressed in the project Q-WAVE, which is jointly funded by the European Union and the participating countries within the European Metrology Research Programme (EMRP). Here, sampling measurements and procedures using binary-divided 1 V and 10 V arrays are investigated. In addition, a quantum-based analogue-to-digital converter for direct measurements of arbitrary waveforms is under development. It will contain several Josephson arrays in series biased by a pulse drive based on opto-electronics, in order to increase the output voltage.

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29th Conference on Precision Electromagnetic Measurements (CPEM 2014)

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