The nonradiative changeover premiums Adhere to the components WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Vitality gap. The nonradiative transition charges of Er3+ show temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative rest fees https://chanceikifc.thezenweb.com/getting-my-er-yb-yab-crystal-to-work-71111847