Research Progress on Er∶ZBLAN MidInfrared Fiber Lasers Emitting at 2.8 μm

ZHAO Wenkai; WANG Yuchen; LI Yanchao; ZHANG Longfei; LIU Ruite; ZHOU Zhiming; ZHANG Long; JIANG Yiguang

Bulletin of the Chinese Ceramic Society, Volume. 41, Issue 11, 3733(2022)

ZHAO Wenkai*... WANG Yuchen, LI Yanchao, ZHANG Longfei, LIU Ruite, ZHOU Zhiming, ZHANG Long and JIANG Yiguang |Show fewer author(s)

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The midinfrared (MIR) region plays an important role in the fields of environmental monitoring, material processing, surgery and defense. Currently, lowloss highconcentration Er3+doped ZBLAN (Er∶ZBLAN) fiber is one of the main promising gain media for 3 μm MIR laser sources. Er∶ZBLAN fiber lasers have the advantages of being easily integrated, highly efficient and directly diodepumped in comparison to other 3 μmclass lasers. With improving performance, Er∶ZBLAN lasers are expected to reach maturity and commercialized at wavelength of near 3 μm firstly. The working principle and status of Er∶ZBLAN fiber laser were briefly described in this paper, and the existing problems of three different Er∶ZBLAN fiber lasers were analyzed and summarized. Finally, the development trends were also prospected.

Keywords

continuous fiber laser energy level structure Er∶ZBLAN fiber laser output midinfrared pulsed fiber laser wavelengthtunable fiber laser

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ZHAO Wenkai, WANG Yuchen, LI Yanchao, ZHANG Longfei, LIU Ruite, ZHOU Zhiming, ZHANG Long, JIANG Yiguang. Research Progress on Er∶ZBLAN MidInfrared Fiber Lasers Emitting at 2.8 μm[J]. Bulletin of the Chinese Ceramic Society, 2022, 41(11): 3733

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