A reflection-based localized surface plasmon resonance fiber-optic probe for biochemical sensing

  title={A reflection-based localized surface plasmon resonance fiber-optic probe for biochemical sensing},
  author={Yongbin Lin and Y. P. Zou and Robert G. Lindquist},
  booktitle={Biomedical optics express},
We report the fabrication and characterization of an optical fiber biochemical sensing probe based on localized surface plasmon resonance (LSPR) and spectra reflection. Ordered array of gold nanodots was fabricated on the optical fiber end facet using electron-beam lithography (EBL). We experimentally demonstrated for the first time the blue shift of the LSPR scattering spectrum with respected to the LSPR extinction spectrum, which had been predicted theoretically. High sensitivity [195.72 nm… CONTINUE READING
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