A SECRET WEAPON FOR ER:YB:YAB CRYSTAL

The nonradiative changeover charges Stick to the formulation WNR = W (0) exp(-alphap), in which p is the number of phonons matching the Strength gap. The nonradiative transition prices of Er3+ show temperature dependence in keeping with the multiphonon leisure concept. In Tm3+ the temperature dependence of nonradiative peace premiums is intricate b