Babai, A.Aiadi, K. E.Bentouila, O.Rehoma, F.Poulain, M.2020-10-192020-10-192012-01-01Articale in Journal of fundamental and Applied Sciences Vol. 04 N. 011112-9867http://dspace.univ-eloued.dz/handle/123456789/7152Articale in Journal of fundamental and Applied Sciences Vol. 04 N. 01A series of erbium doped glasses chlorofluorophosphates were prepared and characterized. The absorption spectra were analyzed to determine the Judd-Ofelt parameters. The optical performance of these doped glasses suggesting the relevance of these glasses for optical fiber/ wave guide lasers and optical amplifiers.frglass doped, rare earth, erbium, Judd-Ofelt parameters, laser, and optical amplifier.Article