Chinese Optics Letters, Volume. 20, Issue 9, 091601(2022)
Nd3+-doped silica glass and fiber prepared by modified sol-gel method
Figures & Tables(7)
Fig. 1. Experimental laser setup. FR, Fresnel reflection; PM, power meter; OSA, optical spectrum analyzer.
Fig. 2. (a) Image of Al3+/Nd3+-doped silica core-glass block and rod. EPMA mapping of the elements in the silica glass rod: (b) Nd and (c) Al.
Fig. 3. Nd3+ spectrum: (a) absorption, (b) fluorescence, and (c) fluorescence decay. (d) FT-IR spectrum of an Al3+/Nd3+ co-doped silica glass chip.
Fig. 4. (a) Refractive index profile and (b) transmission loss of the NDF. The inset shows the cross section of NDF.
Fig. 5. (a) Laser output power versus pump power and (b) laser spectrum at 14 W output.
Fig. 6. (a) Slope efficiency and (b) laser spectrum of the NDF amplifier.
Table 1. The Laser Performance of Different NDFs from the Literatures and This Work
View tableView in ArticleTable 1. The Laser Performance of Different NDFs from the Literatures and This Work
Preparation Method Nd3+ Content(ppm) Power (W) Slope Efficiency Reference Modified sol-gel 5000 14.6 39.6% This work Sol-gel 4000 0.025 42% [ 21 ]Zeolite 10,700 0.027 19.6% [ 20 ]MCVD 1300 30 46% [ 15 ]
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Yinggang Chen, Zhiquan Lin, Yafei Wang, Meng Wang, Lei Zhang, Yan Jiao, Hehe Dong, Shikai Wang, Chunlei Yu, Lili Hu, "Nd3+-doped silica glass and fiber prepared by modified sol-gel method," Chin. Opt. Lett. 20, 091601 (2022)
Paper Information
Category: Optical Materials
Received: Mar. 9, 2022
Accepted: May. 13, 2022
Published Online: Jun. 16, 2022
The Author Email: Shikai Wang (woshiwsk@163.com), Chunlei Yu (sdycllcy@163.com), Lili Hu (hulili@siom.ac.cn)
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