A SECRET WEAPON FOR ER:YB:YAB CRYSTAL

The nonradiative changeover premiums Keep to the formulation WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Strength gap. The nonradiative transition premiums of Er3+ show temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative peace rates is challenging becaus