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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 >Radiation-induced defects in fluorine-doped silica-based optical fibers: Influence of a pre-loading with H-2
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Radiation-induced defects in fluorine-doped silica-based optical fibers: Influence of a pre-loading with H-2

机译：掺氟石英基光纤中的辐射诱发缺陷：H-2预加载的影响

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摘要

We investigated the effects of 10-keV X-ray radiation on the transmission properties of F-doped optical fibers in the 200-850 nm range of wavelengths (1.5-6 eV). We also studied the influence of pre-loading this kind of fibers with hydrogen on its radiation sensitivity. Our results showed that, for our experimental conditions (pre-treatment with H-2 several months before irradiation with diffusion of all the H-2 Out the fiber core and cladding before X-ray exposure), this pre-treatment increases the radiation-induced attenuation in the ultraviolet part (200-300 nm) of the spectrum. A previous H-2-loading has no influence at greater wavelengths. The nature of the radiation-induced point defects is discussed from the decomposition analysis of the attenuation spectra with Gaussian bands.
机译：我们研究了10-keV X射线辐射对200-850 nm波长范围（1.5-6 eV）中掺F的光纤的传输特性的影响。我们还研究了用氢预加载此类纤维对其辐射敏感性的影响。我们的结果表明，对于我们的实验条件（在进行H-2预处理之前，先进行几个月的H-2预处理，然后将所有H-2扩散到纤维芯和X射线照射前的包层中），这种预处理会增加-在光谱的紫外线部分（200-300 nm）中引起衰减。先前的H-2加载对更大波长没有影响。通过对高斯频带衰减谱的分解分析，讨论了辐射诱发点缺陷的性质。

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