Near-infrared Emission in Tm3+-Tb3+/Eu3+ Codoped Gallo-Germanate Glasses

Bo Zhou; Baojie Chen; Edwin Y. B. Pun

Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
(Optica Publishing Group, 2011),
paper C1025

Near-infrared Emission in Tm³⁺-Tb³⁺/Eu³⁺ Codoped Gallo-Germanate Glasses

Bo Zhou, Baojie Chen, and Edwin Y. B. Pun

Conference on Lasers and Electro-Optics/Pacific Rim 2011

Sydney Australia
28 August–1 September 2011
ISBN: 978-0-9775657-7-1

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B. Zhou, B. Chen, and E. Y. B. Pun, "Near-infrared Emission in Tm3+-Tb3+/Eu3+ Codoped Gallo-Germanate Glasses," in Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011, (Optica Publishing Group, 2011), paper C1025.

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Abstract

Broadband 1.20 μm emission (¹G₄ →³H₄ transition) in Tm³⁺ - Tb³⁺/Eu³⁺ codoped gallogermanate glasses was observed. The population inversion is realized by depleting the lower ³H₄ level, and the possible energy transfer processes involved are discussed.

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