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Effect of grating fabrication on radiation sensitivity of fiber bragg gratings in gamma radiation field

  • Beihang University

科研成果: 期刊稿件文章同行评审

摘要

The influence of grating fabrication on radiation sensitivity of the FBGs has been investigated experimentally. The FBGs were fabricated in different process and GeO 2 concentrations. Pre-irradiation and H 2-loading were applied to change the radiation sensitivity of the FBGs. The FBGs were fabricated in photosensitive fiber and coupling single mode fiber with a GeO 2 concentration in a range from 0.33 to 23 mol%. The lowest Bragg wavelength shift (13 pm) was obtained by a grating written in photosensitive fiber PSF-GeB-125, with pre-irradiation and without H 2 -loading for a total dose of about 50 kGy.

源语言英语
文章编号5963746
页(从-至)2111-2117
页数7
期刊IEEE Transactions on Nuclear Science
58
4 PART 2
DOI
出版状态已出版 - 8月 2011

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