Improvement of the Russian National Secondary Standard of the Unit of Length Using Latest Ultra-Stable Laser Equipment
https://doi.org/10.32603/1993-8985-2019-22-4-109-114
Аннотация
Introduction. Increasing demands of precise geometry measurements by science and industry cause the necessity of improvement in an associated branch of legal and practical metrology. One of the most significant fields is the measurement of internal dimensions and so the issues with the unit of meter transfer. Now we face the situation when the current accuracies of National standards of different levels in corresponding traceability chain (reference rings measurements) get close to each other. This means that we have to make the standard of upper level more precise. One of the obvious ways is to apply the latest ultra-stable laser locked to a frequency comb.
Objective. The objective is to propose possibilities for improvement of the National secondary standard of the unit of length by researching its measuring capabilities to minimize measurement uncertainty.
Materials and methods. The calculation of expanded uncertainty of internal diameter measurements by the National secondary standard of the unit of length is performed according to the international document «Guide to the Expression of Uncertainty in Measurement» JCGM 100:2008 approved by BIPM. The secondary standard research results represented in previous reports and publications are also taken into consideration.
Results. Detailed uncertainty budget for the proposed measuring system is given as well as graphical data representing the accuracy improvement.
Conclusion. Actions for minimization of measurement uncertainty components of the National secondary standard of the unit of length in the field of reference ring internal diameter measurements in combination with state-of-the-art laser interferometer system improve it to the next frontiers of accuracy and precision.
Ключевые слова
Об авторах
Andrew A. Mosckalev
D.I. Mendeleyev Institute for Metrology "VNIIM"
Россия
Cand. Sci. (Engineering) (2018), Senior Researcher of the Department of Geometric Measurements
Россия
Cand. Sci. (Engineering) (2018), Senior Researcher of the Department of Geometric Measurements
Ardi Rahman
National Standardization Agency – BSN;
Saint Petersburg Electrotechnical university
Россия
Master of Engineering (M.Eng.), (2019) Saint Petersburg Electrotechnical university (LETI). Researcher at the national metrology institute of Indonesia called BSN
Россия
Master of Engineering (M.Eng.), (2019) Saint Petersburg Electrotechnical university (LETI). Researcher at the national metrology institute of Indonesia called BSN
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Рецензия
Для цитирования:
Mosckalev A.A., Rahman A. Improvement of the Russian National Secondary Standard of the Unit of Length Using Latest Ultra-Stable Laser Equipment. Известия высших учебных заведений России. Радиоэлектроника. 2019;22(4):109-114. https://doi.org/10.32603/1993-8985-2019-22-4-109-114
For citation:
Mosckalev A.A., Rahman A. Improvement of the Russian National Secondary Standard of the Unit of Length Using Latest Ultra-Stable Laser Equipment. Journal of the Russian Universities. Radioelectronics. 2019;22(4):109-114. https://doi.org/10.32603/1993-8985-2019-22-4-109-114
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