Measurements of the lifetime of the ruby R1 line under high pressure
- 15 October 1986
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 60 (8), 2985-2987
- https://doi.org/10.1063/1.337749
Abstract
The lifetime τ of the R1 fluorescence line, 2E(Ē)→4A2 of ruby (Al2O3:Cr3+) has been measured under high‐pressure conditions (up to 42.7 GPa) using a modulation fluorometry technique. This study shows that τ increases linearly with pressure and that this increase is primarily caused by a rapid decrease in the transition probability of the radiative transition. The present measurements agree qualitatively with the theoretically predicted decrease in the oscillator strength at high pressure.Keywords
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