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Proceedings Paper

Influence of external electric field on the optical spectra of LiNbO3:Nd3+ and LiNbO3:Cr3+ crystals
Author(s): Alexander P. Skvortsov; A. M. Tveritinov; Vladimir A. Trepakov; K. Polgar; L. Jastrabic
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Paper Abstract

The effect of external electric field on the absorption spectra of LiNbO3 crystals doped with Nd3+ and Cr3+ ions has been investigated at 77 K by means of sensitive modulation method. A linear Stark effect is observed on many lines of Nd3+ and on B-lines of Cr3+-centers in a field directed along the trigonal axis of the crystal. No field effect is observed in a field directed perpendicular to the trigonal axis. Such properties of the Stark effect show that the permanent dipole moments of Nd3+ and Cr3+ centers are oriented along the trigonal axis of the crystal. This confirms that the centers possess C3 point symmetry. The quantitative characteristics of the field effect are determined.

Paper Details

Date Published: 3 January 1996
PDF: 5 pages
Proc. SPIE 2706, Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions, (3 January 1996); doi: 10.1117/12.229147
Show Author Affiliations
Alexander P. Skvortsov, A.F. Ioffe Physico-Technical Institute (Russia)
A. M. Tveritinov, A.F. Ioffe Physico-Technical Institute (Russia)
Vladimir A. Trepakov, A.F. Ioffe Physico-Technical Institute (Russia)
K. Polgar, Research Lab. for Crystal Physics (Hungary)
L. Jastrabic, Institute of Physics (Czech Republic)


Published in SPIE Proceedings Vol. 2706:
Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transitional-Metal Ions
Alexander I. Ryskin; V. F. Masterov, Editor(s)

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