THE 2-MINUTE RULE FOR ER:YB:YAB CRYSTAL

The nonradiative transition prices Adhere to the formula WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the energy gap. The nonradiative changeover prices of Er3+ exhibit temperature dependence according to the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative rest premiums is intricate by th