Strain monitoring of bismaleimide composites using embedded microcavity sensor
作者: Amardeep KaurSudharshan AnandanLei YuanSteve E. WatkinsK. ChandrashekharaHai XiaoNam Phan
作者单位: 1Missouri University of Science and Technology
2Clemson University
3Naval Air Systems Command, Patuxent River
刊名: Optical Engineering, 2016, Vol.55 (3), pp.037102-037102
来源数据库: SPIE-the International Society for Optical Engineering
DOI: 10.1117/1.OE.55.3.037102
关键词: optical-fiber sensorextrinsic Fabry–Perot interferometerbismaleimidestrain analysisembedded sensorsstructural monitoring
原始语种摘要: A type of extrinsic Fabry–Perot interferometer (EFPI) fiber optic sensor, i.e., the microcavity strain sensor, is demonstrated for embedded, high-temperature applications. The sensor is fabricated using a femtosecond (fs) laser. The fs-laser-based fabrication makes the sensor thermally stable to sustain operating temperatures as high as 800°C. The sensor has low sensitivity toward the temperature as compared to its response toward the applied strain. The performance of the EFPI sensor is tested in an embedded application. The host material is carbon fiber/bismaleimide (BMI) composite laminate that offer thermally stable characteristics at high ambient temperatures. The sensor exhibits highly linear response toward the temperature and strain. Analytical work done with embedded...
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关键词翻译
关键词翻译
  • sensor 感受器
  • embedded 嵌入
  • composites 菊科植物
  • temperature 温度
  • laminate 层制品
  • toward 
  • fiber 纤维
  • strain 应变
  • monitoring 监视
  • stable 稳定的