Simultaneous measurement of two strain components using passive demodulation

Y. L. Lo, J. S. Sirkis

研究成果: Conference article同行評審


This paper uses 3×3 coupler passive demodulation of combined Michelson and polarimetric optical fiber sensors to simultaneously measure axial and transverse strain components in a single optical fiber bonded to a vibrating cantilever beam. The separated Michelson and polarimetric signals are used with isothermal Michelson and polarimetric phase strain-models to provide two independent equations describing the strain in the fiber. These equations provide enough information to calculate axial and transverse strains in surface mounted sensors.

頁(從 - 到)67-77
期刊Proceedings of SPIE - The International Society for Optical Engineering
出版狀態Published - 1994 五月 1
事件Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation - Orlando, United States
持續時間: 1994 二月 131994 二月 18

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 電腦科學應用
  • 應用數學
  • 電氣與電子工程


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