掺铥光纤γ射线辐照效应实验研究

吴闻迪; 余婷; 陶蒙蒙; 李兴冀; 叶锡生

doi:10.3788/CO.20181104.0610

Volume 11 Issue 4

Jul. 2018

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Chinese Optics > 2018 > 11(4): 610-614.

WU Wen-di, YU Ting, TAO Meng-meng, LI Xing-ji, YE Xi-sheng. Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers[J]. Chinese Optics, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610

Citation:

WU Wen-di, YU Ting, TAO Meng-meng, LI Xing-ji, YE Xi-sheng. Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers[J]. Chinese Optics, 2018, 11(4): 610-614. doi: 10.3788/CO.20181104.0610

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Experimental investigation of gamma-ray irradiation effect on Tm-doped fibers

doi: 10.3788/CO.20181104.0610

1.
Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2.
State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi'an 710024, China
3.
National Key Laboratory of Materials Behavior and Evaluation Technology in Space Environment, Harbin Institute of Technology, Harbin 150001, China

Funds:

the Hundred-Talent Program of the Chinese Academy of Sciences 1505521XR0

the Foundation of the National Key Laboratory of Materials Behavior and Evaluation Technology in Space Environment 6142910030613

More Information

Corresponding author: YE Xi-sheng, E-mail:xsye@siom.ac.cn
Received Date: 16 Dec 2017
Rev Recd Date: 05 Feb 2018
Publish Date: 01 Aug 2018

Abstract

Abstract

In order to realize the space application of 2 μm thulium-doped fiber laser, the experimental study of γ-ray irradiation effect is carried out for typical commercial Tm-doped fiber(TDF). Using a gamma ray of ⁶⁰Co, the irradiation effect of a total dose of 9.0 krad(Si) and a dose rate of 0.5-3.0 rad/s is performed on a 2 μm fiber laser constructed from 5 groups of the same TDF samples batch of SM-TDF-10P/130-HE produced by Nufern. The measurement results show that the light emission performance of TDF greatly attenuated during irradiation, and the attenuation amplitude increases with the increase of the dose rate. By comparing the absorption spectra of the TDF sample before and after irradiation, it is found that the absorption peak of the 793 nm pump light disappeared with the irradiation of the total dose of 9 krad(Si). The above-mentioned irradiated TDF sample is subjected to a 793 nm pump photobleaching test for 2 hours, and no performance recovery is observed. It can be seen that the space radiation performance of typical Tm-doped fiber has to be improved for space applications.
- Tm-doped fiber,
- spatial radiation,
- gamma-ray irradiation effect

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References(16)

References

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