Low-Dispersion Multimode Fibers with a Core Made of Fluorine-Doped Quartz Glass

被引:0
|
作者
Dukel'skii, K. V. [1 ,5 ]
Ermolaeva, G. M. [2 ]
Eron'yan, M. A. [3 ]
Komarov, A. V. [4 ]
Reutskii, A. A. [3 ]
Shilov, V. B. [2 ]
Shcheglov, A. A. [3 ]
机构
[1] Bonch Bruevich St Petersburg State Univ Telecommu, St Petersburg 193232, Russia
[2] Vavilov State Opt Inst, St Petersburg 199034, Russia
[3] Concern Cent Res Inst Elektropribor, St Petersburg 197046, Russia
[4] Vavilov State Opt Inst, NGO Sci Res & Technol Inst Opt Mat Sci, St Petersburg 192171, Russia
[5] ITMO Univ, St Petersburg 197101, Russia
关键词
RADIATION-INDUCED ABSORPTION; OPTICAL-FIBERS; SILICA; DIFFUSION;
D O I
10.1134/S0030400X18080040
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The causes of the occurrence and the method of the elimination of defects of non-bridging oxygen in multimode fluorosilicate optical fibers prepared by the modified method of chemical vapor deposition are considered. The solution is the use of support tubes obtained by quartz surfacing in a hydrogen atmosphere. In this case, there is no absorption band in a range of 630 nm caused by nonbridging oxygen in the spectrum of optical losses of gradient fluorosilicate optical fibers of W-type. Attenuation in a visible spectrum range is mainly determined by the level of Rayleigh scattering and the mode dispersions at a wavelength of 342 and 683 nm are 1.2 +/- 0.1 and 0.7 +/- 0.2 ps/m, respectively.
引用
收藏
页码:281 / 284
页数:4
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