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Conferences > QELS > 1996 > QTuB > QTuB25
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper QTuB25

Nonequilibrium vibronic states of Cr ions in Mg2GeO4 studied by upconverted hot luminescence laser spectroscopy

B. Y. Han, S. G. Demos, V. Petricevic, and R. R. Alfano

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Abstract

Following photoexcitation of an impurity ion in a crystal, phonons are emitted associated with the nonradiative energy transfer from “hot" ion into the lattice environment. The nonequilibrium vibronic states populated during the nonradiative relaxation of Cr4+ impurity ions in Mg2GeO4, were measured using up-converted hot luminescence to obtain information on the phonon modes and electronic bottlenecks involved.1

© 1996 Optical Society of America

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