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  • Received: Oct. 30, 2013

    Accepted: Dec. 19, 2013

    Posted: Jan. 28, 2014

    Published Online: Jan. 28, 2014

    The Author Email:

    DOI: 10.3788/col201412.021601

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    Shanshan Li, Peiyuan Wang, Haiping Xia, Jiangtao Peng, Lei Tang, Yuepin Zhang, Haochuan Jiang. Tm3+ and Nd3+ singly doped LiYF4 single crystals with 3-5 \mu m mid-infrared luminescence[J]. Chinese Optics Letters, 2014, 12(2): 021601

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Chinese Optics Letters, Vol. 12, Issue 2, 021601 (2014)

Tm3+ and Nd3+ singly doped LiYF4 single crystals with 3-5 \mu m mid-infrared luminescence

Shanshan Li, Peiyuan Wang, Haiping Xia, Jiangtao Peng, Lei Tang, Yuepin Zhang, and Haochuan Jiang

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    Abstract

    Mid-infrared (MIR) emissions of 2.4 and 3.5 m from Tm3+:LiYF4 single crystals attributed to 3H4->3H5 and 3H5->3F4 transitions as well as MIR emissions of 4.2, 4.3, and 4.5 \mu m from Nd3+: LiYF4 lasers attributed to 4I15/2->4I13/2,4I13/2->4I11/2, and 4I11/2->4I9/2 transitions, respectively, are observed. LiYF4 single crystals possess high transmittance of over 85% in the 2.5-6 \mu m range. The large emission crosssections of Tm-doped crystals at 2.4 \mu m (1.9\times 10-20 cm2) and Nd-doped crystals at 4.2 \mu m (0.84\times 10-20cm2) as well as the high rare-earth doping concentrations, excellent optical transmission, and chemicalphysical properties of the resultant samples indicate that Nd3+ and Tm3+ singly doped crystals may be promising materials for application in MIR lasers.

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