Volume 104, Issue 2 pp. 621-625
Original Paper
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Optical Studies of Er3+ Ions in Er2Ge2O7 Single Crystals

I. Yaeger

I. Yaeger

Department of Physics, Ben Gurion University of the Negev, Beer Sheva

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R. Shuker

R. Shuker

Department of Physics, Ben Gurion University of the Negev, Beer Sheva

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B. M. Wanklyn

B. M. Wanklyn

Clarendon Laboratory, University of Oxford

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First published: 1 April 1981
Citations: 10

P.O.B. 653, Beer Sheva 84120.

Abstract

en

Optical absorption spectra of Er3+ in Er2Ge2O7 single crystals are studied in the spectral range 14500 to 25000 cm−1 as a function of temperature from ambient down to 12.5 K. The transitions associated with the Er3+ absorption lines are identified. Kramers' doublets of the Er3+ ground term 4I15/2 are found at 13, 88, 125, 185, 230, 392, and 436 cm−1 relative to the ground level.

Abstract

de

Des spectres d'absorption optiques du Er3+ dans des crystaux uniques de Er2Ge2O7 ont été etudiés dans la gamme spectrale de 14500 à 25000 cm−1 en fonction de la température à partir de la température ambiante jusqu'á 12,5 K. Nous avons identifié les transitions associées avec les lignes d'absorptions de Er3+. Les doublets de Kramers du multiplet de base 4I15/2 ont été trouvés à 13, 88, 125, 185, 230, 392 et 436 cm−1 du niveau de base.

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