Xuan WEN, Shengsheng YANG, Xin GAO, Shengfei SHE, Gencheng WANG, Zhanzu FENG, Jun WANG, Hong YIN, Chaoqi HOU, Jianfeng ZHANG. Effect of La Doping on the Radiation Damage Effect of Er3+-Doped Silica Fibers for Space Laser Communication[J]. Acta Photonica Sinica, 2023, 52(2): 0206003
- Acta Photonica Sinica
- Vol. 52, Issue 2, 0206003 (2023)
Fig. 1. Schematic diagram of the［AlO4/2］- defects trapping a hole and becoming Al-OHC color center
Fig. 2. Schematic diagram of the［AlO3/2］0 group becoming Al-E' color center by capturing electrons
Fig. 3. Schematic diagram of the atomic distribution of La-Er-doped fiber and normal Er-doped fiber
Fig. 4. Schematic diagram of the gain test system of erbium-doped fiber
Fig. 5. Online test results of S1 and S2
Fig. 6. Absorption spectra of S1 and S2
Fig. 7. Loss of S1 and S2 before and after irradiation
Fig. 8. Raman spectra of S1 and S2 before and after radiation irradiation
Fig. 9. EPR spectrum of S1 and S2 before and after irradiation
Fig. 10. Gain performance of S1 and S2 before and after irradiation
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Table 1. Components of the two optical fibers tested by the EPMA
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