Cr4+-doped silica optical fibres: absorption and fluorescence propertiesV. Felice, B. Dussardier, J. K. Jones, G. Monnom and D. B. OstrowskyEur. Phys. J. AP, 11 2 (2000) 107-110DOI: https://doi.org/10.1051/epjap:2000151