Chinese Journal of Lasers, Volume. 49, Issue 22, 2215001(2022)
High-Quality Radiation-Resistant Er-Yb Co-Doped Fiber
Figures & Tables(6)
Fig. 2. Absorption spectra of radiation-resistant Er-Yb co-doped fiber before and after irradiation and corresponding RIA spectra. (a) Cladding absorption spectra in pumping band; (b) core absorption spectra in signal band
Fig. 3. Schematic of radiation-resistant Er-Yb co-doped fiber gain test system. (a) Schematic of test system; (b) output spectra of test system before and after irradiation
Fig. 4. Gain of radiation-resistant Er-Yb co-doped fiber (pump power during test is 7.3 W). (a) Gain versus pump power at 1550 nm before and after irradiation of radiation-resistant Er-Yb co-doped fiber; (b) gain of radiation-resistant Er-Yb co-doped fiber with different lengths before and after irradiation
Fig. 5. Formation of P1 colour center and Ce4+ under irradiation. (a) P1 colour center; (b) Ce4+
Table 1. Comparison of radiation resistance of our and other Er-Yb co-doped fibers
View tableTable 1. Comparison of radiation resistance of our and other Er-Yb co-doped fibers
Er-Yb co-doped fiber Dose /Gy Dose rate /(Gy·s－1) RIGV /dB This work 1000 0.2 0.7 (at 1550 nm) This work 300 0.2 0.2 (at 1550 nm) iXblue 1000 <2 (at 1560 nm) Literature[ 11 ]900 0.003 1.5 (at 1545 nm) Literature[ 8 ]200 0.4 10 (at 1550 nm)
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Chi Cao, Yang Chen, Wenzhen Li, Yingbo Chu, Yingbin Xing, Lei Liao, Nengli Dai, Jinyan Li. High-Quality Radiation-Resistant Er-Yb Co-Doped Fiber[J]. Chinese Journal of Lasers, 2022, 49(22): 2215001
Paper Information
Category: Letters
Received: Jul. 18, 2022
Accepted: Sep. 2, 2022
Published Online: Nov. 9, 2022
The Author Email: Li Jinyan (ljy@mail.hust.edu.cn)
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