高温和γ射线辐射对再生光纤光栅的影响

Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors) Pub Date : 2019-06-25 DOI:10.1364/SENSORS.2019.STH4A.5

T. Blanchet, S. Nehr, R. Desmarchelier, A. Morana, A. Gusarov, A. Boukenter, Y. Ouerdane, E. Marin, S. Girard, G. Laffont

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引用次数: 1

摘要

研究了γ射线(300 kGy)和高温(250°C)对再生光纤布拉格光栅性能的综合影响。这些光栅用KrF激光器和相位掩模在掺锗光纤中刻蚀，并在~750°C下再生。这样的辐照条件导致其布拉格波长的位移小于20pm(相当于2°C的温度误差)。

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High Temperature and γ-ray Radiation Effects on Regenerated Fiber Bragg Grating

We investigate the combined effects of γ-rays (300 kGy) and high temperatures (250°C) on the performances of regenerated Fiber Bragg Gratings. These gratings were inscribed with a KrF laser and a phase mask in Ge-doped fiber and regenerated at ~750°C. Such irradiation conditions induce a shift of their Bragg wavelengths of less than 20 pm (equivalent to a temperature error of 2°C).

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Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)

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