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

Dahua Zhou 1, 2 Changtai Xia 3 yannick Guyot 2 Jiuping Zhong 2 Xiaodong Xu 4 Shuanglong Feng 1 Wenqiang Lu 1 Jinhui Song 1 Kheirreddine Lebbou 2 
1 CIGIT - Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences
2 ILM - Institut Lumière Matière [Villeurbanne]
3 Key Laboratory of Materials for High Power Laser
4 Shanghai Institute of Ceramics
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.
Keywords : Micro-pulling-down method Ti:Al2O3 Crystal fiber Spectral properties
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Submitted on : Friday, October 4, 2019 - 12:43:24 PM
Last modification on : Thursday, December 9, 2021 - 1:00:02 PM

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CNRS | UNIV-LYON1 | ILM | UDL

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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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