[1] Xing R X, Sheng Y B, Liu Z J, et al. Investigation on radiation resistance of Er/Ce co-doped silicate glasses under 5 kGy gamma-ray irradiation[J]. Optical Materials Express, 2, 1329(2012).

[2] Wang Hongbo, Li Qin. Radiation effects and protection techonolgy for optical components of fiber optic gyroscope[J]. Infraed and Laser Engineering, 44, 682-687(2015).

[3] Liu Fuhua, Wang Ping, Feng Gang, et al. Influence of Gamma-ray radiation on optical fiber disperion[J]. Infraed and Laser Engineering, 45, 0118001(2016).

[4] Shao Chongyun, Yu Chunlei, Hu Lili. Radiation-resistant active fibers for space pplications[J]. Chinese Journal of Lasers, 47, 0500014(2020).

[5] Dardaillon R, Lancry M, Myara M, et al. Radiation-induced absorption and photobleaching in erbium Al-Ge-codoped optical fiber[J]. Journal of Materials Science, 55, 14326-14335(2020).

[6] Girard S, Morana A, Ladaci A, et al. Recent advances in radiation-hardened fiber-based technologies for space applications[J]. Journal of Optics, 20, 093001(2018).

[7] León M, Lancry M, Ollier N, et al. Ge- and Al-related point defects generated by Gamma irradiation in nanostructured erbium-doped optical fiber preforms[J]. Journal of Materials Science, 51, 10245-10261(2016).

[8] Cao C, Gu Z, Qiu Q, et al. Radiation-resistant Er-doped fiber based on Ge-Ce Co-doping[J]. IEEE Photonics Journal, 14, 1-5(2022).

[9] Cao Chi, Wang Bo, Zhu Yingbo, et al. Domestic high quality radiation-resistant erbium-doped fiber[J]. Chinese Journal of Lasers, 48, 2015001(2021).

[10] Lagomacini J C, Bravo D, Martín A, et al. Growth kinetics of AlOHC defects in γ-irradiated silica glasses[J]. Journal of Non-Crystalline Solids, 403, 5-8(2014).

[11] Essid M, Albert J, Brebner J L, et al. Correlation between oxygen-deficient center concentration and KrF excimer laser induced defects in thermally annealed Ge-doped optical fiber preforms[J]. Journal of Non-Crystalline Solids, 246, 39-45(1999).

[12] Singh G P, Kaur P, Kaur S, et al. Conversion of Ce³⁺ to Ce⁴⁺ ions after Gamma ray irradiation on CeO₂-PbO-B₂O₃ glasses[J]. Physica B Condensed Matter, 408, 115-118(2013).

[13] Chen Shanqiang, Liu Siqing, Shi Liqin, et al. A software for space radiation effects assessment[J]. Journal of Astronautics, 38, 317-322(2017).

[14] Song Jingming, Guo Jianhua, Wang Xueqin. Radiation induced attenuation effect for optical fiber[J]. Laser & Optoelectronics Progress, 49, 080008(2012).

[15] [15] Feng Wei. Study on irradiation damage mechanism of Yb doped quartz glass [D]. Xi’an: Xi’an Institute of Optical & Precision Mechanics, Chinese Academy of Sciences (University of Chinese Academy of Sciences), 2020. (in Chinese)

[16] Shao Chongyun, Xu Wenbin, Ollier N, et al. Suppression mechanism of radiation-induced darkening by Ce doping in Al/Yb/Ce-doped silica glasses: Evidence from optical spectroscopy, EPR and XPS analyses[J]. Journal of Applied Physics, 120, 153101(2016).