A SECRET WEAPON FOR ER:YB:YAB CRYSTAL

The nonradiative changeover fees Keep to the formulation WNR = W (0) exp(-alphap), where by p is the quantity of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence consistent with the multiphonon rest concept. In Tm3+ the temperature dependence of nonradiative leisure premiums is complex wi