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Journal of Inorganic Materials, Volume. 36, Issue 8, 877(2021)

Fabrication of Highly Transparent Co:MgAl2O4 Ceramic Saturable Absorber for Passive Q-switching in 1.5 μm

Yanqiu JING1...2, Qiang LIU2, Sha SU1,2, Xiaoying LI1, Ziyu LIU1, Jingya WANG1 and Jiang LI1,* |Show fewer author(s)
Author Affiliations
  • 11. Key Laboratory of Transparent Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • 22. School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    FESEM image of Co:MgAl2O4 powders
    1. FESEM image of Co:MgAl2O4 powders

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    FESEM images of Co:MgAl2O4 ceramics vacuum-sintered at different temperatures for 5 h(a) 1500 ℃; (b) 1550 ℃; (c) 1600 ℃; (d) 1650 ℃; (e) 1700 ℃
    2. FESEM images of Co:MgAl2O4 ceramics vacuum-sintered at different temperatures for 5 h (a) 1500 ℃; (b) 1550 ℃; (c) 1600 ℃; (d) 1650 ℃; (e) 1700 ℃

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    Relative density and average grain size of 0.05at% Co:MgAl2O4 ceramics pre-sintered at different temperatures for 5 h
    3. Relative density and average grain size of 0.05at% Co:MgAl2O4 ceramics pre-sintered at different temperatures for 5 h

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    FESEM microstructures of Co:MgAl2O4 ceramics vacuum-sintered at different temperatures for 5 h and then HIP post-treated at 1800 ℃ for 3 h(a) 1500 ℃; (b) 1550 ℃; (c) 1600 ℃; (d) 1650 ℃; (e) 1700 ℃
    4. FESEM microstructures of Co:MgAl2O4 ceramics vacuum-sintered at different temperatures for 5 h and then HIP post-treated at 1800 ℃ for 3 h (a) 1500 ℃; (b) 1550 ℃; (c) 1600 ℃; (d) 1650 ℃; (e) 1700 ℃

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    Average grain sizes of 0.05at% Co:MgAl2O4 ceramics pre-sintered at different temperatures for 5 h and then HIP post-treated
    5. Average grain sizes of 0.05at% Co:MgAl2O4 ceramics pre-sintered at different temperatures for 5 h and then HIP post-treated

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    Photo (a) and in-line transmission spectra (b) of the Co:MgAl2O4 ceramics pre-sintered at 1500-1700 ℃ for 5 h and HIP post-treated at 1800 ℃ for 3 hColorful figure are available on website
    6. Photo (a) and in-line transmission spectra (b) of the Co:MgAl2O4 ceramics pre-sintered at 1500-1700 ℃ for 5 h and HIP post-treated at 1800 ℃ for 3 h Colorful figure are available on website

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    Absorption coefficient spectrum of 0.05at% Co:MgAl2O4 ceramic pre-sintered at 1650 ℃ for 5 h and HIP post-treated at 1800 ℃ for 3 h
    7. Absorption coefficient spectrum of 0.05at% Co:MgAl2O4 ceramic pre-sintered at 1650 ℃ for 5 h and HIP post-treated at 1800 ℃ for 3 h

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    Yanqiu JING, Qiang LIU, Sha SU, Xiaoying LI, Ziyu LIU, Jingya WANG, Jiang LI. Fabrication of Highly Transparent Co:MgAl2O4 Ceramic Saturable Absorber for Passive Q-switching in 1.5 μm [J]. Journal of Inorganic Materials, 2021, 36(8): 877

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    Paper Information

    Category: RESEARCH LETTER

    Received: Nov. 30, 2020

    Accepted: --

    Published Online: Dec. 8, 2021

    The Author Email: LI Jiang (lijiang@mail.sic.ac.cn)

    DOI:10.15541/jim20200679

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology