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Transient optically detected ESR in the excited state of ruby

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Zeitschrift für Physik B Condensed Matter

Abstract

The dynamics of theĒ(2 E) state of Cr3+ in Al2O3 have been investigated. After excitation by a short laser pulse (<10ns) the relative intensity of the optically detected ESR signal (ODMR) as a function of the delay timet d after the excitation is measured. A remarkable increase was found upon lengtheningt d, while the line width remained constant. This increasing population difference of the Zeeman levels ofĒ(2 E) can be explained by different resonant-reabsorption induced effective lifetimes. The experimental data could be reproduced by use of a phenomenological model.

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Authors and Affiliations

  1. Institut für Atom- und Festkörperphysik, Freie Universität Berlin, Boltzmannstraße 20, D-1000, Berlin 33, Germany

    R. Furrer & F. Seiff

Authors
  1. R. Furrer
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  2. F. Seiff
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Furrer, R., Seiff, F. Transient optically detected ESR in the excited state of ruby. Z Physik B 29, 189–192 (1978). https://doi.org/10.1007/BF01321181

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  • DOI: https://doi.org/10.1007/BF01321181

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