Room-temperature photochemical hole burning of Eu3+-doped glasses

Koji Fujita; Masayuki Nishi; Kazuyuki Hirao

doi:10.1117/12.424762

27 April 2001 Room-temperature photochemical hole burning of Eu³⁺-doped glasses

Koji Fujita, Masayuki Nishi, Kazuyuki Hirao

Proceedings Volume 4282, Rare-Earth-Doped Materials and Devices V; (2001) https://doi.org/10.1117/12.424762
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

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.

Citation Download Citation

Koji Fujita, Masayuki Nishi, and Kazuyuki Hirao "Room-temperature photochemical hole burning of Eu³⁺-doped glasses", Proc. SPIE 4282, Rare-Earth-Doped Materials and Devices V, (27 April 2001); https://doi.org/10.1117/12.424762

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