- Highly ytterbium-doped silica fibers with low photo-darkeningShigeru Suzuki
IMRA America, Inc, Ann Arbor, Michigan 48105, USA
Opt Express 17:9924-32. 2009..9 wt% Yb(2)O(3), up to approximately 4700 dB/m peak core absorption at 976 nm, and low photo-darkening are demonstrated using high phosphorus co-doping. Measured gain as high as approximately 7 dB/cm is demonstrated in the fiber...
- Ytterbium-doped all glass leakage channel fibers with highly fluorine-doped silica pump claddingLiang Dong
IMRA America Inc, 1044 Woodridge Avenue, Ann Arbor, MI 48105, USA
Opt Express 17:8962-9. 2009..An ytterbium-doped double clad PM fiber with core diameter of 80 microm is also reported, which can be coiled in 76 cm diameter coils...