The nonradiative changeover fees follow the system WNR = W (0) exp(-alphap), the place p is the amount of phonons matching the Vitality hole. The nonradiative changeover premiums of Er3+ show temperature dependence in step with the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is https://nielsonu257sqn8.wikiitemization.com/user