Effects of resonant electron-phonon interactions for RE3+ ions in laser crystals

V. N. Enaki; Aurelia Lupei; Voicu Lupei; C. Presura; V. E. Ciobu

doi:10.1117/12.312810

2 July 1998 Effects of resonant electron-phonon interactions for RE³⁺ions in laser crystals

V. N. Enaki, Aurelia Lupei, Voicu Lupei, C. Presura, V. E. Ciobu

Proceedings Volume 3405, ROMOPTO '97: Fifth Conference on Optics; (1998) https://doi.org/10.1117/12.312810
Event: ROMOPTO '97: Fifth Conference on Optics, 1997, Bucharest, Romania

Abstract

This paper presents a theoretical treatment of electron-phonon interaction problem in the case of quasi resonant interaction for rare earths ions in laser crystals. Expressions for the absorption or emission lineshapes (asymmetries or splittings of zero-phonon lines) are obtained. The theory is applied to explain some spectral features of Yb³⁺ transitions in YAG; it allows also the estimation of the vibronic coupling strengths, phonon energies and the `unsplit' electronic levels. A new electronic energy level scheme of Yb³⁺ in YAG is proposed.

Citation Download Citation

V. N. Enaki, Aurelia Lupei, Voicu Lupei, C. Presura, and V. E. Ciobu "Effects of resonant electron-phonon interactions for RE³⁺ions in laser crystals", Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); https://doi.org/10.1117/12.312810

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