• DocumentCode
    1277661
  • Title

    Ultra-Sensitive Refractive Index Sensor With Slightly Tapered Photonic Crystal Fiber

  • Author

    Li, Cheng ; Qiu, Sun-jie ; Chen, Ye ; Xu, Fei ; Lu, Yan-Qing

  • Author_Institution
    Nat. Lab. of Solid State Microstructures, Nanjing Univ., Nanjing, China
  • Volume
    24
  • Issue
    19
  • fYear
    2012
  • Firstpage
    1771
  • Lastpage
    1774
  • Abstract
    We fabricate a miniature ultra-sensitive refractive index sensor based on a tapered photonic crystal fiber (PCF) modal interferometer. The PCF is slightly tapered and a little elongated to keep the size compact. The total length is ~ 2 cm, and the potential sensitivity is more than 1600 nm/RIU (refractive index unit), which is nearly eight times as high as that of an untapered PCF interferometer.
  • Keywords
    fibre optic sensors; holey fibres; light interferometers; photonic crystals; modal interferometer; photonic crystal fiber; refractive index unit; ultra-sensitive refractive index sensor; Interference; Optical fiber sensors; Optical interferometry; Optimized production technology; Photonic crystal fibers; Refractive index; Sensitivity; Fiber sensor; fiber taper; photonic crystal fiber (PCF); ultra-sensitivity;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/LPT.2012.2214379
  • Filename
    6293856