Structural and optical characterization of Gd2SiO5 crystalline fibres obtained by laser floating zone
authors Rey-Garcia, F; Ben Sedrine, N; Soares, MR; Fernandes, AJS; Lopes, AB; Ferreira, NM; Monteiro, T; Costa, FM
nationality International
journal OPTICAL MATERIALS EXPRESS
keywords HIGH-PURITY GADOLINIUM; SILICATE OXYAPATITES; RESEARCH PROGRESS; SINGLE-CRYSTALS; UP-CONVERSION; RAMAN; SPECTROSCOPY; LUMINESCENCE; EXCITATION; SEPARATION
abstract Gadolinium oxyorthosilicate single crystals (Gd-2(SiO4)O (GSO)) were obtained by the laser floating zone (LFZ) technique. The fibres were pulled at faster growth rates (10 mm/h) than those produced by the conventional Czochralski method and the growth was performed in air, which did not require environmental control. The structural characterization of as-grown fibres made by X-ray diffraction (XRD) and Raman spectroscopy puts in evidence the high degree of crystallinity and its monoclinic nature. The optical characterization, accomplished by photoluminescence and photoluminescence excitation, suggests that GSO fibres are a promising candidate to be doped in order to develop new high optical efficient laser materials. (C) 2017 Optical Society of America
publisher OPTICAL SOC AMER
issn 2159-3930
year published 2017
volume 7
issue 3
beginning page 868
ending page 879
digital object identifier (doi) 10.1364/OME.7.000868
web of science category Materials Science, Multidisciplinary; Optics
subject category Materials Science; Optics
unique article identifier WOS:000395672700025
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journal impact factor 2.566
5 year journal impact factor 2.742
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