Optical linewidths in chromium-doped glass and ceramic
β Scribed by F.J. Bergin; J.F. Donegan; T.J. Glynn; G.F. Imbusch
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 327 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0022-2313
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π SIMILAR VOLUMES
A tbeorericxd siodel based on a two-well adiabatic potential for a guest molecule is dkssed. The formula for the homogeneous linewidth is given. Xt hat; an additional term which can depend on temperature as T" with non-integer exponent inlherangelGn<Z.
Mullite glass-ceramics were prepared with varying concentrations of Cr(III). The X-ray absorption, emission and EPR spectra reveal that the most defined crystals are formed at the lowest concentration of Cr(II1). The concentration quenching of the luminescence is small and the quantum efficiencies h