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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Gamma radiation induced loss in erbium doped optical fibers
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Gamma radiation induced loss in erbium doped optical fibers

机译：γ辐射引起的掺do光纤的损耗

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摘要

Several single mode silica-based fibers with different levels of erbium concentrations have been tested under Co-60 gamma radiation. Irradiation has been performed at a dose-rate of similar to 30 Gy/h to a total dose of similar to 2 kGy. Transmission spectra were measured in situ in a spectral range from 1250 to 1630 nm. The measurements show no detectable change in the Er-ions luminescence and absorption spectrum profiles, while a significant (similar to dB/m/kGy at 1530 nm) increase in transmission losses is attributed to the silica host matrix modifications. This conclusion is drawn based on the post-irradiation photo-luminescence analyzes realized with a confocal micro-spectrometer (514.5 nm excitation, P similar to 2 mW). (c) 2007 Elsevier B.V. All rights reserved.
机译：已在Co-60γ射线下测试了几种with含量不同的单模石英基光纤。辐射的剂量率类似于30 Gy / h，总剂量近似于2 kGy。透射光谱是在1250至1630 nm的光谱范围内原位测量的。测量结果表明，Er离子的发光和吸收光谱图没有可检测到的变化，而传输损耗的显着增加（类似于1530 nm的dB / m / kGy）归因于二氧化硅基质基质的改性。该结论是基于用共聚焦微光谱仪（514.5 nm激发，P类似于2 mW）实现的辐照后光致发光分析得出的。 （c）2007 Elsevier B.V.保留所有权利。

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