Kinetics of transfer and backtransfer in Yb 3+-Er 3+ codoped fluoroindate glasses

Abstract

The dynamics of forward and backward energy transfer processes in fluoroindate glasses double doped with Yb 3+ and Er 3+ have been studied using the fluorescence ‘transfer function’. From the fitting to the decay curves of the luminescence the critical radii for these processes have been obtained. These values are also calculated with the Dexter formula.