The nonradiative changeover prices Adhere to the formula WNR = W (0) exp(-alphap), wherever p is the amount of phonons matching the Power gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence per the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest costs is complicated through https://er-yb-yab-crystal28259.elbloglibre.com/33235163/er-yb-yab-crystal-options