The nonradiative transition costs follow the components WNR = W (0) exp(-alphap), the place p is the quantity of phonons matching the Strength gap. The nonradiative changeover premiums of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative leisure premiums is https://beaudecaw.blogdiloz.com/32210293/the-5-second-trick-for-er-yb-yab-crystal