Design and fabrication of Pr3+-doped fluoride glass optical fibres for efficient 1.3 mu m amplifiers Jha, A. ; Naftaly, M. ; Jordery, S. ; Samson, B. N. ; Taylor, E. R. ; Hewak, D. ; Payne, D. N. ; Poulain, M. ; Zhang, G. Abstract Publication: Pure Applied Optics Pub Date: July 1995 DOI: 10.1088/0963-9659/4/4/019 Bibcode: 1995PApOp...4..417J