The nonradiative changeover prices Adhere to the formulation WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the energy gap. The nonradiative changeover prices of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure fees https://er-yb-yab-crystal74061.loginblogin.com/40270158/er-yb-yab-crystal-options