Laser & Optoelectronics Progress, Volume. 61, Issue 9, 0900011(2024)
Research Progress of Phosphosilicate Glass and Optical Fiber
Figures & Tables(7)
![Profile and refractive index distribution of phosphorus doped fiber preforms prepared by MCVD [19]](/Images/icon/loading.gif){kind=icon}
Fig. 1. Profile and refractive index distribution of phosphorus doped fiber preforms prepared by MCVD [19]
Fig. 2. Refractive index profiles of phosphorus doped perform by glass phase separation technology [22]
Fig. 3. Photodarkening curve of phosphosilicate glass fiber B14 and aluminosilicate glass fiber H1 and H2[33]
Table 1. Summary and comparison of advantages and disadvantages of different preparation methods of phosphosilicate glass
View tableTable 1. Summary and comparison of advantages and disadvantages of different preparation methods of phosphosilicate glass
Preparation method Doping level Doping method Performance Technology maturity Modified chemical vapor deposition High Gas phase doping/liquid phase doping Central dip Mature High temperature melting method Low - Crystallization Mature Sol gel method High Liquid phase doping Doping uniformity Not mature Glass phase separation method High Liquid phase doping Doping uniformity and no crystallization Not mature
Table 2. Research progress of improving darkening by phosphorus doping in recent years
View tableTable 2. Research progress of improving darkening by phosphorus doping in recent years
Year Conclusion Reference 2004 Silicate glass is more prone to darkening than phosphate glass ［ 43 ］2006 The solubility of rare earth ions in phosphate glass is higher ［ 44 ］2007 Yb doped phosphorosilicate glass fiber has stronger resist darkening ability than Yb doped aluminosilicate ［ 36 ］2008 Oxygen defects are not easily produced in phosphate glass， and the probability of color center formation is small ［ 45 ］2008 Rare earth ions are more soluble in phosphate glass ［ 37 ］2011 Phosphate glass has great solubility of rare earth ions ［ 35 ］2012 Phosphate has higher electron transfer absorption band and is easier to improve the solubility of rare earth ions ［ 46 ］2020 It is verified that Ce doping can significantly improve the photon darkening of Yb doped fiber
It is proposed that the suppression mechanism of photon darkening in Yb/Ce/P co doped aluminosilicate fiber is the synergistic suppression of doping components
［ 47 ］2020 With the increase of P/Al ratio， the Yb—O—P bond is gradually replaced by the Yb—O—Al bond，which improves the photon darkening， but the excessive phosphorus will also lead to the generation of new defects in the fiber ［ 48 ］
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Suyu Wang, Zichang Liu, Chengxi Luo, Dongchen Zhang, Weiquan Su, Lüyun Yang. Research Progress of Phosphosilicate Glass and Optical Fiber[J]. Laser & Optoelectronics Progress, 2024, 61(9): 0900011
Paper Information
Category: Reviews
Received: Dec. 7, 2022
Accepted: Jan. 13, 2023
Published Online: May. 10, 2024
The Author Email: Lüyun Yang (luyunyang@gmail.com)
CSTR:32186.14.LOP223259
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