ER:YB:YAB CRYSTAL OPTIONS

The nonradiative changeover charges Keep to the system WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Strength gap. The nonradiative changeover prices of Er3+ show temperature dependence in step with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative peace fees is complicated via the e