THE BEST SIDE OF ER:YB:YAB CRYSTAL

The nonradiative changeover charges Keep to the method WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the energy gap. The nonradiative transition costs of Er3+ show temperature dependence in keeping with the multiphonon leisure concept. In Tm3+ the temperature dependence of nonradiative peace rates is complex by the existenc