データベースを用いたファイバブラッググレーティングの反射波長測定システムの構築

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タイトル別名
  • Construction of Reflection Wavelength Measurement System of Fiber Bragg Gratings Using Database
  • データベース オ モチイタ ファイバブラッググレーティング ノ ハンシャ ハチョウ ソクテイ システム ノ コウチク

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抄録

The objective of this research is the construction of a high-speed and long-time strain measurement system that uses fiber Bragg grating (FBG) for determining health of structures. We constructed a high-speed and long-time measurement system that was accomplished by combining a FBG measurement system using wavelength swept laser and a data management system using database. This FBG measurement system was able to drive wavelength swept laser with sweep frequency of 20kHz and had a temporal resolution of 50µs. The data management system could manage the large volume of the data obtained from high-speed measurement. In this paper, we report on high-speed and long-time measurement for detecting instantaneous strain over 12 hours.

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