THE GREATEST GUIDE TO ER:YB:YAB CRYSTAL

The nonradiative changeover fees Keep to the system WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Power 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 prices is intricate via the existence of