https://scholars.lib.ntu.edu.tw/handle/123456789/155890
標題: | A torsion sensor made of a corrugated long period fibre grating | 作者: | LON A. WANG Lin, C. Y. Chern, G. W. |
關鍵字: | Corrugated structure; Fibre sensor; Mode coupling; Strain; Torsion grating | 公開日期: | 2001 | 卷: | 12 | 期: | 7 | 起(迄)頁: | 793-799 | 來源出版物: | Measurement Science and Technology | 摘要: | Based on the photoelastic effect, the strain distribution within a corrugated long period fibre grating (LPFG) subjected to tensile stress and twisting will cause a periodic index variation, which may result in resonant couplings between fibre core and cladding modes. The resonance wavelength corresponding to the peak loss is directly sensitive to the torsional angle per unit length; thus a novel torsion sensor can be made from the corrugated long period fibre grating. We also present a phenomenological theory based on the scattering matrix formalism to qualitatively explain the mode coupling behaviour in the corrugated grating. |
URI: | http://ntur.lib.ntu.edu.tw//handle/246246/148172 https://www.scopus.com/inward/record.uri?eid=2-s2.0-0035396911&doi=10.1088%2f0957-0233%2f12%2f7%2f307&partnerID=40&md5=8f63ec833b52ef264afe6d626b1a5059 |
ISSN: | 09570233 | DOI: | 10.1088/0957-0233/12/7/307 | SDG/關鍵字: | Fiber Bragg gratings; Photoelasticity; Refractive index; Strain measurement; Tensile stress; Torsional stress; Corrugated gratings; Fiber optic sensors; optical fiber; sensor; Strain; Torsion |
顯示於: | 電機工程學系 |
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