Optoelectronics Letters, Volume. 13, Issue 3, 201(2017)

The optical properties of Tm3+doped Na5Lu9F32single crystal

Qi-guo SHENG1... Hai-ping XIA1,*, Qing-yang TANG1, Shi-nan HE1, Jian-li ZHANG1 and Bao-jiu CHEN2 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
  • 2Department of Physics, Dalian Maritime University, Dalian 116026, China
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    Tm3+doped Na5Lu9F32single crystal with high optical quality was grown by an improved Bridgman method. The Judd-Ofelt intensity parameters Ωt(t=2, 4, 6) were calculated according to the measured absorption spectra and physical- chemical properties of the obtained Na5Lu9F32single crystal. The stimulated emission cross-section of the 3F43H6transition (~1.8 μm) is 0.35×10-20cm2for Tm3+doped Na5Lu9F32single crystal. The emission spectra under the excitation of 790 nm laser diode (LD) and fluorescence lifetime at 1.8 μm were measured to reveal the fluorescence properties of Tm3+doped Na5Lu9F32single crystal. The research results show that the Tm3+doped Na5Lu9F32single crystal has larger stimulated emission cross-section compared with other crystals. All these spectral properties suggest that this kind of Tm3+doped Na5Lu9F32crystal with high physical-chemical stability and high-efficiency emission at 1.8 μm may be used as potential laser materials for optical devices.

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    SHENG Qi-guo, XIA Hai-ping, TANG Qing-yang, HE Shi-nan, ZHANG Jian-li, CHEN Bao-jiu. The optical properties of Tm3+doped Na5Lu9F32single crystal[J]. Optoelectronics Letters, 2017, 13(3): 201

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    Paper Information

    Category: Materials

    Received: Feb. 12, 2017

    Accepted: --

    Published Online: Sep. 13, 2018

    The Author Email: Hai-ping XIA (hpxcm@nbu.edu.cn)

    DOI:10.1007/s11801-017-7025-61

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