DETAILS, FICTION AND ER:YB:YAB CRYSTAL

The nonradiative transition fees Keep to the formulation WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Vitality gap. The nonradiative changeover prices of Er3+ show temperature dependence according to the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is complex with the existe