Polarized photoluminescence from Cr3+ ions in laser host crystals III. ZnWO4

M. Yamaga, A. Marshall, K. P. O'Donnell, B. Henderson

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We report the temperature dependence and polarization properties of the zero-phonon lines and broad band emission of the 4T24A2 emission of Cr3+ ions substituting for Zn2+ ions in ZnWO4. The zero-field splitting of the 4T2 state is calculated and compared to the separation of the zero-phonon lines associated with this broad emission band. A molecular orbital (MO) method is used to calculate the polarization properties of the emission. Comparison with experiment suggests that T2u odd-parity distortion and odd-mode vibrations are most effective in inducing the broad band transition.

LanguageEnglish
Pages65-70
Number of pages6
JournalJournal of Luminescence
Volume47
Issue number1-2
DOIs
Publication statusPublished - 1 Aug 1990

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Phonons
Photoluminescence
Lasers
Ions
Polarization
photoluminescence
Crystals
Molecular orbitals
Vibration
Parity
crystals
lasers
ions
broadband
Temperature
polarization
vibration mode
molecular orbitals
parity
Experiments

Keywords

  • polarized photoluminescence
  • broad bandwidth

Cite this

Yamaga, M. ; Marshall, A. ; O'Donnell, K. P. ; Henderson, B. / Polarized photoluminescence from Cr3+ ions in laser host crystals III. ZnWO4. In: Journal of Luminescence. 1990 ; Vol. 47, No. 1-2. pp. 65-70.
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Polarized photoluminescence from Cr3+ ions in laser host crystals III. ZnWO4. / Yamaga, M.; Marshall, A.; O'Donnell, K. P.; Henderson, B.

In: Journal of Luminescence, Vol. 47, No. 1-2, 01.08.1990, p. 65-70.

Research output: Contribution to journalArticle

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AB - We report the temperature dependence and polarization properties of the zero-phonon lines and broad band emission of the 4T2 → 4A2 emission of Cr3+ ions substituting for Zn2+ ions in ZnWO4. The zero-field splitting of the 4T2 state is calculated and compared to the separation of the zero-phonon lines associated with this broad emission band. A molecular orbital (MO) method is used to calculate the polarization properties of the emission. Comparison with experiment suggests that T2u odd-parity distortion and odd-mode vibrations are most effective in inducing the broad band transition.

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