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Growth and spectroscopic properties of Ti-doped sapphire single-crystal fibers

Abstract : Titanium doped sapphire (Ti:Al2O3) crystal fibers have been grown by the micro-pulling-down (μ-PD) method using different pulling rate in the range (0.1–0.5 mm/min). The present work has investigated the crystal growth, including diameter, bubbles defects and segregation properties. The fiber’s absorption and IR emission experiments are analyzed. The lifetime of Ti3+ in the IR range obtained at room temperature is 3.1 μs. Moreover, the two blue emissions at 420 nm and 470 nm bands have been discussed.
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02305585
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Submitted on : Friday, October 4, 2019 - 12:43:24 PM
Last modification on : Thursday, October 15, 2020 - 8:54:04 AM

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Dahua Zhou, Changtai Xia, Yannick Guyot, Jiuping Zhong, Xiaodong Xu, et al.. Growth and spectroscopic properties of Ti-doped sapphire single-crystal fibers. Optical Materials, Elsevier, 2015, 47, pp.495-500. ⟨10.1016/j.optmat.2015.06.027⟩. ⟨hal-02305585⟩

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