5 ESSENTIAL ELEMENTS FOR ER:YB:YAB CRYSTAL

The nonradiative changeover prices Keep to the components WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ show temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation prices is complicated beca