The nonradiative changeover rates follow the system WNR = W (0) exp(-alphap), in which p is the quantity of phonons matching the Electrical power hole. The nonradiative changeover rates of Er3+ show temperature dependence in step with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace premiums https://collinjkifc.humor-blog.com/32237365/er-yb-yab-crystal-for-dummies