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首页> 外文期刊>Metrologia: International Journal of Scientific Metrology: = Internationale Zeitschrift fur Wissenschaftliche Metrologie: = Journal International de Metrologie Scientifique >Degradation of the diffuse reflectance of Spectralon under low-level irradiation
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Degradation of the diffuse reflectance of Spectralon under low-level irradiation

机译：低辐射下Spectralon漫反射率的降低

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摘要

Spectralon~(TM) is a well known diffuse reflectance standard. Although ageing effects of Spectralon under high-level VUV and air UV irradiation have been reported, Spectralon is assumed to be stable under the normal radiation conditions used for calibration in standard facilities. In this paper, ageing effects of Spectralon under low-level irradiation and in the dark are presented. It has been found that ageing is mainly affected by four parameters: wavelength of radiation, irradiance level, radiant exposure (dose) and storage time of the samples. Therefore, the use of Spectralon~(TM) as a transfer standard in international comparisons and maintenance of reference values is discussed.
机译：Spectralon TM是众所周知的漫反射标准。尽管已经报道了Spectralon在高水平VUV和空气UV辐射下的老化效应，但可以认为Spectralon在标准设施中用于校准的正常辐射条件下是稳定的。本文介绍了Spectralon在低水平照射和黑暗中的老化效应。已经发现老化主要受四个参数影响：辐射的波长，辐射水平，辐射的暴露（剂量）和样品的储存时间。因此，讨论了在国际比较和参考值维持中使用Spectralon TM作为转移标准。

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