Homemade radiation-resistant Er/Yb co-doped silica fiber for space applications in low and high-dose radiation environments

Chi Cao; Yingbin Xing; Nengli Dai; Jinyan Li

doi:10.1117/12.2668560

21 March 2023 Homemade radiation-resistant Er/Yb co-doped silica fiber for space applications in low and high-dose radiation environments

Chi Cao, Yingbin Xing, Nengli Dai, Jinyan Li

Author Affiliations +

Proceedings Volume 12595, Advanced Fiber Laser Conference (AFL2022); 125951I (2023) https://doi.org/10.1117/12.2668560
Event: Advanced Fiber Laser Conference (AFL2022), 2022, Changsha, China

Abstract

In order to enhance the irradiation resistance of erbium-ytterbium co-doped optical fibers for long-range space communication applications, a Radiation-Resistant Erbium-Ytterbium co-doped Fiber (RREYDF) was fabricated by Modified Chemical Vapor Deposition (MCVD). The RREYDFs were irradiated at 300 Gy and 1000 Gy with an average dose rate of 0.2 Gy/s at room temperature using a Co60 irradiation source. The Radiation-Induced Absorption (RIA) at 940 nm and 1550 nm were 0.10 dB/m and 0.22 dB/m at 300 Gy and 0.47 dB/m and 0.36 dB/m at 1000 Gy, respectively. An Erbium-Ytterbium co-doped Fiber Amplifier (EYDFA) with a 1550 nm signal and a 940 nm pump source was built for gain testing. The Radiation-Induced Gain Variation (RIGV) was 0.1 dB (300 Gy) and 1.0 dB (1000 Gy) at a pump power of 7.3 W.

Citation Download Citation

Chi Cao, Yingbin Xing, Nengli Dai, and Jinyan Li "Homemade radiation-resistant Er/Yb co-doped silica fiber for space applications in low and high-dose radiation environments", Proc. SPIE 12595, Advanced Fiber Laser Conference (AFL2022), 125951I (21 March 2023); https://doi.org/10.1117/12.2668560

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