Cross-cascade stimulated emission of Er 3+ , Ho 3+ and Tu 3+ ions in Er 3 Al 5 O 12

Cross-cascade stimulated radiation of Er 3+ , Ho 3+ and Tu 3+ ions in Er 3 Al 5 O 12

Resonant and Nonresonant Processes of Excitation Energy Transfer from Tu 3+ or Ho 3+ Ions to the Er 3+ Ions in (Y, Er) 3 Al 5 O 12 Crystals

New data on stimulated emission in crystals containing Er/3+/ and Ho/3+/

Cascade stimulated emission from Pr(3+) and Ho(3+) ions in fluorine- and oxygen-containing crystals

Stimulated Emission from Er 3+ Ions in CaF 2

Absorption, Luminescence, and Stimulated Emission Spectra 3 f of Er Ions in GdAlO ^ Crystals