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800nm FBG sensing interrogation system based on tilted FBG 被引量:1

800nm FBG sensing interrogation system based on tilted FBG
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摘要 An 800 nm band fiber Bragg grating sensing interrogation system using tilted FBG as the core wavelength division compo- nent is presented. A charge coupled device (CCD) linear array is put on the focal plane of the lens to detect the light. TFBG is used to tap light out of the fiber core to fiber cladding. The sensing wavelength is 795 to 830 nm, with accuracy of 20 pm and scan speed 100Hz. Using FBG sensor, we achieve the temperature sensitivity of 1.8 ℃ and strain sensitivity of 18 με. An 800 nm band fiber Bragg grating sensing interrogation system using tilted FBG as the core wavelength division component is presented. A charge coupled device (CCD) linear array is put on the focal plane of the lens to detect the light. TFBG is used to tap light out of the fiber core to fiber cladding. The sensing wavelength is 795 to 830 nm, with accuracy of 20 pm and scan speed 100Hz. Using FBG sensor, we achieve the temperature sensitivity of 1.8 ℃ and strain sensitivity of 18 με.
出处 《Optoelectronics Letters》 EI 2007年第1期62-64,共3页 光电子快报(英文版)
基金 National Nature Science Foundation ofChina(60577018),the 863 National High Technology Prograrmof china (Grant No.2006AA01Z217),and the open Projectfoudation of key laboratory of Opto-eletronic Infr mation Scienceand Technology luinistry of Eolucation in Nankai university
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参考文献6

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同被引文献2

  • 1ZHANGYing,FENGDe-jun,LIUZhi-guo.Highsensitivity pressuresen-sor using a shielded polymer-coated fiber Bragg grating[].IEEE Photonics Technology Letters.2001
  • 2LI Ke-jie.Newly organized sensor technical manual[]..2002

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