Sensitivity of long period fiber gratings to nanoscale ionic self-assembled multilayers

Zhiyong Wang, J. R. Heflin, Kevin Vancott, Rogers H. Stolen, Siddharth Ramachandran, Samir Ghalmi

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

We have shown that ionic self-assembled multilayers (ISAMs) deposited on optical fiber long period gratings (LPGs) yield dramatic resonant-wavelength shifts, even with nanometer-thick films. Precise control of the refractive index and the thickness of these films was achieved by altering the relative fraction of the anionic and cationic materials combined with layer-by-layer deposition. We demonstrate the feasibility of this highly controllable deposition-technique for fine-tuning grating properties for grating applications. In addition, we confirm theoretically that the resonant wavelength shift can result from either the variation of the thickness of the film and/or the variation of its refractive index. Finally, we demonstrate that ISAMs adsorbed on LPGs function effectively as biosensors. These simulations and experimental results confirm that ISAM-coaled-LPGs provide a thermally-stable, reusable, robust, and attractive platform for building efficient fiber optic sensors and devices.

Original languageEnglish (US)
Article number59250U
Pages (from-to)1-10
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5925
DOIs
StatePublished - Dec 1 2005
EventNanophotonic Materials and Systems II - San Diego, CA, United States
Duration: Jul 31 2005Aug 1 2005

Fingerprint

Long-period Fiber Grating
Long Period Grating
Multilayer
Multilayers
gratings
Refractive Index
Gratings
fibers
Fibers
sensitivity
Refractive index
Wavelength
Fiber Optic Sensor
Biosensor
Fiber optic sensors
Fiber Grating
Thick films
Biosensors
Optical Fiber
Demonstrate

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Sensitivity of long period fiber gratings to nanoscale ionic self-assembled multilayers. / Wang, Zhiyong; Heflin, J. R.; Vancott, Kevin; Stolen, Rogers H.; Ramachandran, Siddharth; Ghalmi, Samir.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5925, 59250U, 01.12.2005, p. 1-10.

Research output: Contribution to journalConference article

Wang, Zhiyong ; Heflin, J. R. ; Vancott, Kevin ; Stolen, Rogers H. ; Ramachandran, Siddharth ; Ghalmi, Samir. / Sensitivity of long period fiber gratings to nanoscale ionic self-assembled multilayers. In: Proceedings of SPIE - The International Society for Optical Engineering. 2005 ; Vol. 5925. pp. 1-10.
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