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JOURNAL OF SYNTHETIC CRYSTALS ›› 2021, Vol. 50 ›› Issue (5): 947-958.

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Research Progress on Transition Metal Ions Doped Ⅱ-Ⅵ Group Mid-Infrared Laser Ceramics

LUO Yongzhi1, 2, YU Shengquan1, YIN Ming2, KANG Bin1   

  1. 1. Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China;
    2. College of Information Science and Technology (College of Cyber Security Oxford Brookes College), Chengdu University of Technology, Chengdu 610059, China
  • Received:2020-11-25 Online:2021-05-15 Published:2021-06-15

Abstract: The mid-infrared laser at 2~5 μm is widely used in civil and military fields. It is one of the main ways to generate mid-infrared lasers by direct-pumping the laser gain medium. Because of the unique spectral properties, ZnS or ZnSe doped by the divalent transition metal ions of Cr2+ or Fe2+ (TM2+∶Ⅱ-Ⅵ) is one of the most promising mid-infrared laser gain materials. In this paper, the preparation of TM2+∶Ⅱ-Ⅵ materials are firstly summarized, and then the research progress on TM2+∶Ⅱ-Ⅵ laser ceramics is emphatically introduced. At last, the further research in raw materials and sintering is discussed. This paper could promote the development of TM2+∶Ⅱ-Ⅵ laser ceramics as well as the high performance mid-infrared lasers.

Key words: laser ceramics, mid-infrared laser, TM2+∶Ⅱ-Ⅵ material, spectral property, sintering technology

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