Chinese Optics Letters, Volume. 14, Issue 6, 061601(2016)

Ce3+ ion-doped α-NaYF4 single crystal for UV laser

Dongsheng Jiang1... Haiping Xia1,*, Jian Zhang1, Zhigang Feng1, Cheng Wang1, Xuemei Gu1, Yuepin Zhang1, Haochuan Jiang2 and Baojiu Chen3 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Photoelectronic Materials, Ningbo University, Ningbo 315211, China
  • 2Ningbo Institute of Materials Technology and Engineering, the Chinese Academy of Sciences, Ningbo 315211, China
  • 3Department of Physics, Dalian Maritime University, Dalian 116026, China
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    A Ce3+ ion-doped α-NaYF4 single crystal of high quality is grown successfully by an improved flux Bridgman method under the conditions of taking the chemical raw composition of NaF:KF:YF3:CeF3 in the molar ratio of 3018484, where the KF is shown to be an effective assistant flux. The x ray diffraction, absorption spectra, excitation spectra, and emission spectra of the Ce3+-doped α-NaYF4 single crystal are measured to investigate the phase and optical properties of the single crystals. The absorption spectrum of the Ce3+:α-NaYF4 shows a strong band that peaks at the wavelength of 300 nm. The emission spectrum of the Ce3+:α-NaYF4 emits an intense ultraviolet (UV) band at the wavelength of 332 nm under the excitation of 300 nm light. Two separated luminous bands of 330 and 350 nm, which correspond to the transitions 5dF5/22 and Math input error