High-precision apparatus for measuring cutoff wavelength of the single-mode optical fiber
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Published:2020
Issue:6
Volume:
Page:22-26
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ISSN:0368-1025
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Container-title:Izmeritel`naya Tekhnika
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language:
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Short-container-title:Izmer. Tekhn.
Author:
Grigoriev Vasiliy V.1, Mityurev Alexei K.1, Pogonyshev Andrey O.1, Savkin Konstantin B.1
Affiliation:
1. The All-Russian Research Institute for Optical and Physical Measurements
Abstract
Currently, communication systems are widely used, where optical fiber is used as a transmission medium. In turn, decision and control of optical fiber parameters has become needfull, since these parameters have a significant impact on the quality and quantity of transmitted information using fiber-optic communication systems. One of these parameters is cut-off wavelength of the single-mode optical fiber, which determines the minimum wavelength of optical radiation at which the optical fiber supports only one propagated mode, in other words, operates in single-mode. The problem of decision cut-off wavelength of the optical fiber used in fiber-optic communication systems is quite relevant and demand, since when the optical fiber operates in multimode, its throughput decreases due to inter-mode dispersion. The article describes methods for measuring cut-off wavelength of the optical fiber. Variant of a high- precision apparatus for measuring cut-off wavelength of the optical fiber has been proposed and tested. The measurements were performed based on the reference bending technique described in GOST R IEC 60793-1-44-2013. The analysis of the accuracy characteristics of the developed apparatus is made, a quantitative assessment of the measurement error is obtained.
Publisher
FSUE VNIIMS All-Russian Research Institute of Metrological Service
Reference10 articles.
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