Digitale Medien
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
76 (1994), S. 270-273
ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
CaF2:Er layers have been grown by molecular-beam epitaxy on (100)-oriented CaF2 substrates; the Er concentration ranges from 1% to 50% (mole fraction). The 1.54 μm emission observed under excitation around 800 nm was studied by photoluminescence. Up to 35% Er concentration the integrated emission increases monotonously, quenching appearing for higher doping levels. Photoluminescence results are discussed within the framework of previous studies of Er3+ emission in the near-infrared range (830–860 nm) in order to gain insight into the Er centers involved in the 1.54 μm emission.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.357140
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