Radiation-Resistant Germanosilicate Multimode Fiber Light Guides

被引：0

作者：

Devet'yarov, D. R. ^{[1
]}

Eron'yan, M. A. ^{[1
,2
]}

Kulesh, A. Yu. ^{[1
]}

Meshkovskii, I. K. ^{[2
]}

Dukel'skii, K. V. ^{[3
]}

机构：

[1] AO Concern Cent Sci Res Inst Elektropribor, St Petersburg 197046, Russia

[2] St Petersburg Natl Res Univ, Informat Technol Mech & Opt ITMO, St Petersburg 197101, Russia

[3] AO Res & Prod Corp, Vavilov State Opt Inst, St Petersburg 192171, Russia

来源：

GLASS PHYSICS AND CHEMISTRY | 2022年 / 48卷 / 04期

关键词：

optical fibers; germanosilicate light guides; gamma-irradiation; radiation-induced attenuation; radiation resistance; scattering; OPTICAL-FIBERS; ABSORPTION; PERFORMANCE; FLUORINE; CORE;

D O I：

10.1134/S108765962204006X

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effect of gamma-irradiation on optical losses at a wavelength of 1.31 to 1.55 mu m in multimode quartz fibers with a core doped with 20 mol % GeO2 is considered. Germanium oxygen-deficient centers in the core material are the main reason for the low radiation resistance of such optical fibers. The elimination of these defects in the MCVD preform technology reduces the radiation-induced attenuation in germanosilicate light guides to a level close to that of light guides with a pure quartz glass core. The increase in optical losses induced by radiation in the studied fibers is largely due to the contribution of Rayleigh scattering.

引用

页码：303 / 307

页数：5

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