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首页> 外文期刊>Applied optics >Thermal stability of the 248-nm-induced presensitization process in standard H-2-loaded germanosilicate fibers
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Thermal stability of the 248-nm-induced presensitization process in standard H-2-loaded germanosilicate fibers

机译：标准H-2负载锗硅酸盐纤维中248 nm诱导的预敏化过程的热稳定性

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Grating growths through exposure of presensitized standard fibers to KrF light were recorded in various experimental conditions. It is shown that there exists an optimum sensitization fluence at which the efficiency of the sensitization process is higher. Isochronal thermal annealing of pre-exposed fibers led to a decrease in the sensitization-induced enhancement of photosensitivity. IR-absorption spectroscopy was carried out in fibers or preform plates to monitor the attenuation ascribed to H-bearing species in the same samples. The annealing-induced decay in. photosensitivity cannot be correlated with those of the H-bearing species in the whole temperature range (110degrees C-800degrees C. This indicates that the enhancement of photosensitivity comes from the transformation of more than one species. (C) 2002 Optical Society of America. [References: 21]
机译：在各种实验条件下记录了通过将预敏标准纤维暴露于KrF光而产生的光栅生长。结果表明，存在最佳的感光通量，在该通量下，感光过程的效率更高。预先暴露的纤维的等时热退火导致敏化诱导的光敏性增强降低。红外吸收光谱法是在纤维或预制板中进行的，以监测归因于相同样品中含H物质的衰减。在整个温度范围（110摄氏度至800摄氏度）中，退火引起的光敏性衰减与含H物种的光敏性不相关。这表明光敏性的增强来自一种以上物种的转化。 ）2002年美国眼镜学会[参考文献：21]

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