Title: Up-conversion luminescence in germanate glass and double-clad optical fibre co-doped with Yb3+/Eu3+ ions
Authors: Marcin Kochanowicz, Jacek Żmojda, Piotr Miluski, Piotr Jeleń
Journal: OPTO−ELECTRONICS REVIEW
Publication type: article
DOI: 10.1515/oere-2016-0015