Determination of upper limits for spatial energy diffusion in ruby
- 15 November 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 20 (10) , 4145-4149
- https://doi.org/10.1103/physrevb.20.4145
Abstract
Direct measurements of the diffusion distance of state excitation by time-resolved degenerate four-wave mixing in ruby are reported. Measurements are made on crystals with concentrations varying between 0.05 and 1.55 at.% at 10°K. In all cases an upper limit of 30 nm is determined for the diffusion distance within the fluorescence lifetime.
Keywords
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