Sm3+ effects in the Tm3+ doped tellurite glass for S-band amplification

Marcos P. Belançon; Julio Ferenz; Enver Chillcce; Luis Carlos Barbosa

doi:10.1117/12.2002897

26 February 2013 Sm³⁺ effects in the Tm³⁺ doped tellurite glass for S-band amplification

Marcos P. Belançon, Julio Ferenz, Enver Chillcce, Luis Carlos Barbosa

Proceedings Volume 8601, Fiber Lasers X: Technology, Systems, and Applications; 86012D (2013) https://doi.org/10.1117/12.2002897
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

Thulium doped Samarium codoped tellurite-tungstate glasses were produced. Luminescence properties in the infrared region were investigated looking to observe improved properties for S-band amplification in the co doped samples. Thulium is well-known by the ³H₄-³F₄ radiative transition emitting around ~1.47μm, which is a self-terminating transition in tellurite hosts due the longer lifetime of the lower level in relation to the upper level of this transition. Analysis of absorption and emission spectra showed that we could quench the 3F4 level significantly, what improved the intensity of the emission at 1.49μm. However, the state ³H₄ were also quenched due the cross relaxation process due the absorption bands of Sm³⁺ around 1.5μm.

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Marcos P. Belançon, Julio Ferenz, Enver Chillcce, and Luis Carlos Barbosa "Sm³⁺ effects in the Tm³⁺ doped tellurite glass for S-band amplification", Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 86012D (26 February 2013); https://doi.org/10.1117/12.2002897

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