Phonon participation in ultrafast nonradiative processes in Cr: Mg2SiO4 laser crystal

S. G. Demos; Dana M. Calistru; R. R. Alfano

Phonon participation in ultrafast nonradiative processes in Cr: Mg₂SiO₄ laser crystal

S. G. Demos, Dana M. Calistru, R. R. Alfano

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Ion-lattice coupling between different local (impurity) - phonon (lattice) modes is considered the main factor that determines the dynamics of nonradiative processes in impurity-doped solid-state lasers. Although critical, this problem is not yet completely understood. This study investigates the phonons involved in nonradiative processes in Cr:Mg₂SiO₄ by using time-resolved Raman scattering and upconverted hot luminescence. The results are correlated with data provided by resonance Raman spectra for Cr⁴⁺ local modes to obtain a criterion for local mode coupling to lattice modes.

Original language	English (US)
Title of host publication	Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series
Place of Publication	Piscataway, NJ, United States
Publisher	IEEE
Pages	50
Number of pages	1
Volume	9
State	Published - 1996
Externally published	Yes
Event	Proceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS - Anaheim, CA, USA Duration: Jun 2 1996 → Jun 7 1996

Other

Other	Proceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS
City	Anaheim, CA, USA
Period	6/2/96 → 6/7/96

ASJC Scopus subject areas

Physics and Astronomy(all)

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Demos, SG, Calistru, DM & Alfano, RR 1996, Phonon participation in ultrafast nonradiative processes in Cr: Mg₂SiO₄ laser crystal. in Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series. vol. 9, IEEE, Piscataway, NJ, United States, pp. 50, Proceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS, Anaheim, CA, USA, 6/2/96.

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abstract = "Ion-lattice coupling between different local (impurity) - phonon (lattice) modes is considered the main factor that determines the dynamics of nonradiative processes in impurity-doped solid-state lasers. Although critical, this problem is not yet completely understood. This study investigates the phonons involved in nonradiative processes in Cr:Mg2SiO4 by using time-resolved Raman scattering and upconverted hot luminescence. The results are correlated with data provided by resonance Raman spectra for Cr4+ local modes to obtain a criterion for local mode coupling to lattice modes.",

author = "Demos, {S. G.} and Calistru, {Dana M.} and Alfano, {R. R.}",

year = "1996",

language = "English (US)",

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pages = "50",

booktitle = "Conference on Quantum Electronics and Laser Science (QELS) - Technical Digest Series",

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note = "Proceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS ; Conference date: 02-06-1996 Through 07-06-1996",

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T2 - Proceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS

AU - Demos, S. G.

AU - Calistru, Dana M.

AU - Alfano, R. R.

PY - 1996

Y1 - 1996

N2 - Ion-lattice coupling between different local (impurity) - phonon (lattice) modes is considered the main factor that determines the dynamics of nonradiative processes in impurity-doped solid-state lasers. Although critical, this problem is not yet completely understood. This study investigates the phonons involved in nonradiative processes in Cr:Mg2SiO4 by using time-resolved Raman scattering and upconverted hot luminescence. The results are correlated with data provided by resonance Raman spectra for Cr4+ local modes to obtain a criterion for local mode coupling to lattice modes.

AB - Ion-lattice coupling between different local (impurity) - phonon (lattice) modes is considered the main factor that determines the dynamics of nonradiative processes in impurity-doped solid-state lasers. Although critical, this problem is not yet completely understood. This study investigates the phonons involved in nonradiative processes in Cr:Mg2SiO4 by using time-resolved Raman scattering and upconverted hot luminescence. The results are correlated with data provided by resonance Raman spectra for Cr4+ local modes to obtain a criterion for local mode coupling to lattice modes.

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