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Reference system for observation, storing and transmitting a two-dimensional spatial distribution (profile) of solids refractve index unit
https://doi.org/10.32446/0368-1025it.2022-10-26-30
Abstract
The issues of metrological support of measuring instruments of two-dimensional spatial distribution (profile) of the refractive index unit of solid substances are considered. A reference setup has been developed, which is included in the State primary standard of the refractive index unit GET 138-2021. The composition, principle of operation, and main metrological characteristics of the reference setup, which is based on a digital interferometer for measuring the two-dimensional spatial distribution (profit le) of the refractive index of thin sections of preforms of graded glass fibers, are presented. The reference setup from GET 138-2021 for the first time ensures the uniformity of measurements for measuring instruments for the refractive index profile, the so-called optical analyzers of preforms and the fiber itself, which are used in the production of optical glass fibers. The results of experimental studies of GET 138-2021 in terms of reproducing the two-dimensional spatial distribution of a refractive index unit are presented.
Keywords
state primary standard,
glass fiber,
fiber preform,
refractive index profile,
digital interferometer
Supporting agencies: the authors express gratitude to V. S. Brunov, scientifi c researcher at the Special Glass Laboratory of IRE-Polyus (Moscow region, Fryazino), for fabricating thin sections of gradient fiber preforms.
About the Authors
G. N. Vishnyakov
All-Russian Research Institute for Optical and Physical Measurements; Bauman Moscow State Technical University
Russian Federation
Russian Federation
Gennady N. Vishnyakov
Moscow
V. L. Minaev
All-Russian Research Institute for Optical and Physical Measurements; Bauman Moscow State Technical University;
HSE University
Russian Federation
Russian Federation
Vladimir L. Minaev
Moscow
S. S. Bochkareva
All-Russian Research Institute for Optical and Physical Measurements
Russian Federation
Russian Federation
Svetlana S. Bochkareva
Moscow
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Review
For citations:
Vishnyakov G.N., Minaev V.L., Bochkareva S.S. Reference system for observation, storing and transmitting a two-dimensional spatial distribution (profile) of solids refractve index unit. Izmeritel`naya Tekhnika. 2022;(10):26-30. (In Russ.) https://doi.org/10.32446/0368-1025it.2022-10-26-30
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