Birefringence in microstructure fiber with elliptical GeO_2 highly doped inclusion in the core
β Scribed by Martynkien, Tadeusz; Szpulak, Marcin; Statkiewicz-Barabach, Gabriela; Olszewski, Jacek; Anuszkiewicz, Alicja; Urbanczyk, Waclaw; Schuster, Kay; Kobelke, Jens; Schwuchow, Anka; Kirchhof, Johannes
- Book ID
- 115431260
- Publisher
- Optical Society of America
- Year
- 2008
- Tongue
- English
- Weight
- 273 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0146-9592
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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
The Bi-doped fiber lasers operating at wavelengths of 1280 nm, 1330 nm, 1480 nm, and 1500 nm with a maximal output power of up to 2 W and a slope efficiency of 14 -25% have been demonstrated for the first time. We have also investigated the influence of the doping concentration (GeO2 and P2O5) on th