✦ LIBER ✦
Origin of Excess Loss in Single-Mode Optical Fibers with High GeO2-Doped Silica Core
✍ Scribed by E.M Dianov; V.M Mashinsky; V.B Neustruev; O.D Sazhin; A.N Guryanov; V.F Khopin; N.N Vechkanov; S.V Lavrishchev
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 236 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1068-5200
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✦ Synopsis
The problem of excess loss in single-mode germanosilicate optical fibers with GeO content 20 to 35 mol% is experimentally 2 studied. Excess loss in such fibers is due to the drawing-induced defects, UV absorption tail and scattering. It is sensitive to drawing conditions and to codoping with F and P. Codoping with P results in additional loss presumably caused by P-related drawing-induced defects. Codoping with F diminishes the excess loss presumably by smoothing the inhomogeneous distribution of GeO in SiO ᎐GeO glass.