The Definitive Guide to Er:Yb:YAB Crystal
The nonradiative transition charges Keep to the formula WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the energy gap. The nonradiative changeover fees of Er3+ show temperature dependence in step with the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative relaxation charges is intricate by the existen