Affiliation: Helsinki University of Technology
- Refractive index change in ytterbium-doped fibers induced by photodarkening and thermal bleachingChanggeng Ye
Department of Micro and Nanosciences, Aalto University, PL 13500, 00076 Aalto, Finland
Appl Opt 49:5799-805. 2010..2∼0.3)×10(-5). The influence of the photodarkening-induced refractive index change on fiber lasers is discussed...