| Issue |
J. Phys. Colloques
Volume 48, Number C7, Décembre 1987
1st International Laser M2P Conference
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|---|---|---|
| Page(s) | C7-489 - C7-491 | |
| DOI | https://doi.org/10.1051/jphyscol:19877116 | |
1st International Laser M2P Conference
J. Phys. Colloques 48 (1987) C7-489-C7-491
DOI: 10.1051/jphyscol:19877116
1 Laboratoire de Physico-Chimie des Matériaux Luminescents, CNRS UA-442 CNRS, 43, Bd du 11 novembre 1918, Université Lyon I, F-69622 Villeurbanne Cedex, France
2 Institute of Electron Technology P.W., Koszykowa 75, PL-00-662 Warsaw, Poland
J. Phys. Colloques 48 (1987) C7-489-C7-491
DOI: 10.1051/jphyscol:19877116
SPECTRAL PROPERTIES OF Cr3+ DOPED TETRA- AND PENTA- PHOSPHATE CRYSTALS
M. MALINOWSKI1, R. WOLSKI2 and W. WOLINSKI21 Laboratoire de Physico-Chimie des Matériaux Luminescents, CNRS UA-442 CNRS, 43, Bd du 11 novembre 1918, Université Lyon I, F-69622 Villeurbanne Cedex, France
2 Institute of Electron Technology P.W., Koszykowa 75, PL-00-662 Warsaw, Poland
Abstract
Spectroscopic properties of Cr3+ doped KYP4O12 and YP5O14 crystals are presented for the first time. Both systems exhibit simultaneous broad-band 4T2→4A2 and the weak narrow-band 2E→A2 emissions. Ligand field parameter 10.Dq in KYP4O12 : 5 % Cr3+ has been evaluated to be about 15500 cm-1. Time resolved spectra, lifetimes and 4T2 effective emission cross sections have been studied in chromium doped Y- tetraphosphates.