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Measurement Techniques

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15-04-2023 | OPTICO-PHYSICAL MEASUREMENTS

Reference System for Reproducing, Storing, and Transmitting a Two-Dimensional Spatial Distribution of a Unit of Refractive Index for Solids

Authors: G. N. Vishnyakov, V. L. Minaev, S. S. Bochkareva

Published in: Measurement Techniques | Issue 10/2023

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Abstract

The issues of metrological support of the instruments for measuring a two-dimensional spatial distribution (profile) of a unit of refractive index for solids are considered. A reference system has been developed, which is included into the State Primary Refractive Index Standard (GET 138-2021). The composition, principle of operation, and main metrological characteristics of the reference system, based on a digital interferometer for measuring a two-dimensional spatial distribution (profile) of the refractive index for thin sections of the preforms of graded-index glass fibers, are presented. The reference system according to GET 138-2021 provides the uniformity of measurements for the instruments used to measure the refractive index profile—so-called optical analyzers of preforms of the graded-index and optical glass fibers. The results of experimental studies of GET 138-2021 in terms of reproducing a two-dimensional spatial distribution of the refractive index unit are presented.

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Title: Reference System for Reproducing, Storing, and Transmitting a Two-Dimensional Spatial Distribution of a Unit of Refractive Index for Solids
Authors: G. N. Vishnyakov
V. L. Minaev
S. S. Bochkareva
Publication date: 15-04-2023
Publisher: Springer US
Published in: Measurement Techniques / Issue 10/2023
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI: https://doi.org/10.1007/s11018-023-02145-5

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