A SECRET WEAPON FOR ER:YB:YAB CRYSTAL

The nonradiative transition rates Stick to the system WNR = W (0) exp(-alphap), the place p is the number of phonons matching the energy hole. The nonradiative changeover rates of Er3+ exhibit temperature dependence in step with the multiphonon rest theory. In Tm3+ the temperature dependence of nonradiative leisure charges is complex by the existen