Simultaneous measurement technique of evaluating the
doped optical fibers (DOF) parameters is a suitable scheme for DOF
production industries. In this paper, we introduce a novel technique to
characterize simultaneously the main parameters of DOF such as absorption
and emission cross-sections (ACS, ECS), background loss coefficient (BLC),
and low dopant concentration using the gain equation of DOFs. We used this
new method to determine the ACS, ECS, BLC in a standard sample of
Al-P-Erbium doped optical fiber. The results have been analyzed and compared
with other reports.