Up-converted luminescence and excited-state excitation spectroscopy of Cr4+ ions in forsterite

S. G. Demos, V. Petricević, R. R. Alfano

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The electronic structure of Cr4+-doped forsterite is studied using up-converted luminescence and excited-state excitation spectroscopy. Two metastable states with energies higher than the energy of the 3T2 lasing level are identified. The first, higher-lying state was identified as the 3T1(t2e) electronic state. Three lines were resolved at 26 424, 26 529, and 26 625 cm-1, corresponding to the spin-orbit-split zero-phonon line of the 3T1(t2e) state. The lifetime of this state was measured to be 395 ps. The second, lower-lying state is located at 12 847±90 cm-1 and is assigned to the 3T1(t22) state. Its lifetime is estimated to be of the order of a few hundred nanoseconds.

Original languageEnglish (US)
Pages (from-to)1544-1548
Number of pages5
JournalPhysical Review B
Volume52
Issue number3
DOIs
StatePublished - 1995
Externally publishedYes

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forsterite
Electronic states
Excited states
Electronic structure
Luminescence
Orbits
Spectroscopy
Ions
luminescence
life (durability)
metastable state
spectroscopy
excitation
lasing
ions
electronic structure
orbits
energy
electronics

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Up-converted luminescence and excited-state excitation spectroscopy of Cr4+ ions in forsterite. / Demos, S. G.; Petricević, V.; Alfano, R. R.

In: Physical Review B, Vol. 52, No. 3, 1995, p. 1544-1548.

Research output: Contribution to journalArticle

Demos, S. G. ; Petricević, V. ; Alfano, R. R. / Up-converted luminescence and excited-state excitation spectroscopy of Cr4+ ions in forsterite. In: Physical Review B. 1995 ; Vol. 52, No. 3. pp. 1544-1548.
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