5 SIMPLE STATEMENTS ABOUT ER:YB:YAB CRYSTAL EXPLAINED

The nonradiative changeover costs follow the system WNR = W (0) exp(-alphap), where p is the number of phonons matching the Vitality hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence per the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative relaxation fees is complicated with the exis