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

Yanqiu JING; Qiang LIU; Sha SU; Xiaoying LI; Ziyu LIU; Jingya WANG; Jiang LI

doi:10.15541/jim20200679

Journals >Journal of Inorganic Materials >Volume 36 >Issue 8 >Page 877 > Article

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

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

Yanqiu JING^1、2, Qiang LIU², Sha SU^1、2, Xiaoying LI¹, Ziyu LIU¹, Jingya WANG¹, and Jiang LI^1、*

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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DOI: 10.15541/jim20200679 Cite this Article

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 Copy Citation Text

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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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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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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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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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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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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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