The nonradiative changeover prices Adhere to the formulation WNR = W (0) exp(-alphap), the place p is the quantity of phonons matching the Power hole. The nonradiative changeover costs of Er3+ exhibit temperature dependence in step with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative leisure fees https://fredj924mli6.digitollblog.com/32941705/the-greatest-guide-to-er-yb-yab-crystal