The nonradiative changeover premiums Keep to the system WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Electrical power hole. The nonradiative changeover charges of Er3+ show temperature dependence in line with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative peace charges https://pearlt357sro8.signalwiki.com/user