ER:YB:YAB CRYSTAL CAN BE FUN FOR ANYONE

The nonradiative transition fees Stick to the formula WNR = W (0) exp(-alphap), the place p is the amount of phonons matching the Power gap. The nonradiative changeover premiums of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative peace charges is complex via the