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Summary & Details

Fiber Optic Strain Sensor with Submillimeter Spatial Resolution

サブミリ空間分解能を持つ光ファイバ歪みセンサの開発（第2報）

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20115017

Paper/Info type: Proceedings (Spring)

No.24-11

Pages: 9-11(Total 3 p)

Date of publication: May 2011

Publisher: JSAE

Language: Japanese

Detailed Information

Author(J)	1) 町島祐一, 2) 河野浩二
Author(E)	1) Yuichi Machijijma, 2) Kouji Kouno
Affiliation(J)	1) レーザック, 2) 椿本チエイン
Affiliation(E)	1) LAZOC, 2) Tsubakimoto Chain
Abstract(J)	空間分解能1mm以下で歪み測定が可能な光ファイバセンサを開発した。OFDR（光周波数領域リフレクトメトリ）原理の本技術は１本の光ファイバ上で高密度の歪み測定が可能である。昨今微細加工部品の応力評価用に使用されており、本稿では技術原理及び自動車用チェインピン内部の歪み分布を測定した事例を報告する。 Translation
Abstract(E)	Distributed strain measurement system based on optical frequency domain reflectometry (OFDR) can measure a strain at an arbitrary position along a long gauge FBGs (fiber Bragg grating) with less-than-1mm spatial resolution. Originally, this technology was developed for Structural Health Monitoring (SHM). Recently, it has been introduced to a small equipment and device for thermal stress and mechanical stress evaluation, utilizing high spatial resolution. Herein, measurement principle and sample application for automobile chain pin are reported.

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