• Journal of Synthetic Crystals
  • Vol. 52, Issue 7, 1286 (2023)
HUANG Jianhua1,*, WU Jie1,2, HUANG Yidong1, LIN Yanfu1..., GONG Xinghong1 and CHEN Yujin1|Show fewer author(s)
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  • 2[in Chinese]
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    DOI: Cite this Article
    HUANG Jianhua, WU Jie, HUANG Yidong, LIN Yanfu, GONG Xinghong, CHEN Yujin. Growth, Spectroscopic and 1.5 μm Laser Properties of Er3+,Yb3+∶Ba3Gd(PO4)3 Crystals[J]. Journal of Synthetic Crystals, 2023, 52(7): 1286 Copy Citation Text show less

    Abstract

    Er3+,Yb3+∶Ba3Gd(PO4)3 crystals with different atomic fractions of Er3+ and Yb3+, i.e. 1.85%Er,23.95%Yb∶Ba3Gd(PO4)3 and 1.95%Er,55.73%Yb∶Ba3Gd(PO4)3 were successfully grown by the Czochralski method. Room-temperature absorption coefficient spectra, up-conversion fluorescence spectra, emission cross-section spectra, gain cross-section spectra and fluorscence decay curves of the crystals were measured and analyzed. Emission cross-section at peak fluorescence wavelength of 1 537 nm, fluorescence lifetime of the 4I13/2 multiplet of Er3+ and Yb3+→Er3+ energy transfer efficienecy of the 1.85%Er,23.95%Yb∶Ba3Gd(PO4)3 crystal are 0.54×10-20 cm2, 9.9 ms and 90%, respectively, while the above values of the 1.95%Er,55.73%Yb∶Ba3Gd(PO4)3 crystal are 0.58×10-20 cm2, 9.7 ms and 93%, respectively. End-pumped by 975 nm laser diode, 1 567 nm continuous-wave laser with maximum output power of 97 mW and slope efficiency of 27.1% is obtained in the 1.85%Er,23.95%Yb∶Ba3Gd(PO4)3 crystal, while 1 567 nm continuous-wave laser with maximum output power of 93 mW and slope efficiency of 17.1% is obtained in the 1.95%Er,55.73%Yb∶Ba3Gd(PO4)3 crystal.
    HUANG Jianhua, WU Jie, HUANG Yidong, LIN Yanfu, GONG Xinghong, CHEN Yujin. Growth, Spectroscopic and 1.5 μm Laser Properties of Er3+,Yb3+∶Ba3Gd(PO4)3 Crystals[J]. Journal of Synthetic Crystals, 2023, 52(7): 1286
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