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Proceedings Paper

Room-temperature photochemical hole burning of Eu3+-doped glasses
Author(s): Koji Fujita; Masayuki Nishi; Kazuyuki Hirao
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Paper Abstract

We have measured persistent spectral hole burning (PSHB) for 5D0-7F0 transition of Er3+ doped in binary Ns2O-B2O3 glasses. While room-temperature PSHB is observed in the glasses prepared in reducing conditions, it does not occur in the glasses melted in air. 151Eu Mossbauer effect measurements reveal that the glasses prepared in reducing conditions contain both Eu3+ and Eu2+ ions. The hole area varies depending on the concentration of Eu3+ in al the presented glasses. Besides, the hole area increases with an increase in the concentration of Ns2O when the molar ratio of Eu2+ remains constant. Also, we demonstrate high-temperature PSHB of Eu3+ in sodium borate glasses irradiated with near-IR femtosecond laser pulses.

Paper Details

Date Published: 27 April 2001
PDF: 10 pages
Proc. SPIE 4282, Rare-Earth-Doped Materials and Devices V, (27 April 2001); doi: 10.1117/12.424762
Show Author Affiliations
Koji Fujita, Kyoto Univ. (Japan)
Masayuki Nishi, Kyoto Univ. (Japan)
Kazuyuki Hirao, Kyoto Univ. (Japan)

Published in SPIE Proceedings Vol. 4282:
Rare-Earth-Doped Materials and Devices V
Shibin Jiang, Editor(s)

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