Fully distributed fiber-optic biological sensing

Dorothy Y. Wang, Yunmiao Wang, Ming Han, Jianmin Gong, Anbo Wang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Fully distributed fiber-optic biological sensing is demonstrated based on a traveling long-period grating (LPG) in a single-mode fiber coated with a functional film. The temporal LPG is generated by an acoustic pulse propagating along the fiber. Immunoglobulin G (IgG) is immobilized onto the surface of the fiber via ionic self-assembly. We show that specific antigen-antibody binding can introduce a measurable shift in the transmission optical spectrum of the traveling LPG when it passes through the 10-cm pretreated fiber segment. It is also shown that nonspecific binding to other unintended IgG can be avoided by the application of a standard binding block in the sensor fabrication. The experimental result proves that the traveling LPG-based fiber sensing method offers an attractive means for fully distributed bio sensing. This method may also permit measurement of other quantities that can shift the transmission spectrum of the traveling LPG by changing the properties of the fiber itself or by the assistance of a functional coating on the surface of the fiber.

Original languageEnglish (US)
Article number5555941
Pages (from-to)1553-1555
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number21
DOIs
StatePublished - Oct 14 2010

Fingerprint

Fiber optics
fiber optics
fibers
Fibers
gratings
Immunoglobulin G
Single mode fibers
Antigens
Light transmission
Antibodies
shift
Self assembly
antigens
antibodies
Acoustics
optical spectrum
self assembly
Fabrication
Coatings
coatings

Keywords

  • Acousto-optic filters
  • biomedical transducers
  • gratings
  • optical fibers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Fully distributed fiber-optic biological sensing. / Wang, Dorothy Y.; Wang, Yunmiao; Han, Ming; Gong, Jianmin; Wang, Anbo.

In: IEEE Photonics Technology Letters, Vol. 22, No. 21, 5555941, 14.10.2010, p. 1553-1555.

Research output: Contribution to journalArticle

Wang, DY, Wang, Y, Han, M, Gong, J & Wang, A 2010, 'Fully distributed fiber-optic biological sensing', IEEE Photonics Technology Letters, vol. 22, no. 21, 5555941, pp. 1553-1555. https://doi.org/10.1109/LPT.2010.2069089
Wang, Dorothy Y. ; Wang, Yunmiao ; Han, Ming ; Gong, Jianmin ; Wang, Anbo. / Fully distributed fiber-optic biological sensing. In: IEEE Photonics Technology Letters. 2010 ; Vol. 22, No. 21. pp. 1553-1555.
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