ER:YB:YAB CRYSTAL - AN OVERVIEW

The nonradiative transition rates Adhere to the method WNR = W (0) exp(-alphap), exactly where p is the quantity of phonons matching the energy hole. The nonradiative changeover rates of Er3+ exhibit temperature dependence according to the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative relaxation charges is sophis