Photonic bandgap Bragg fiber sensors for bending/displacement detection

Hang Qu, Tiberius Brastaviceanu, Francois Bergeron, Jonathan Olesik, Ivan Pavlov, Takaaki Ishigure, Maksim Skorobogatiy

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We demonstrate an amplitude-based bending/displacement sensor that uses a plastic photonic bandgap Bragg fiber with one end coated with a silver layer. The reflection intensity of the Bragg fiber is characterized in response to different displacements (or bending curvatures). We note that the Bragg reflector of the fiber acts as an efficient mode stripper for the wavelengths near the edge of the fiber bandgap, which makes the sensor extremely sensitive to bending or displacements at these wavelengths. Besides, by comparison of the Bragg fiber sensor to a sensor based on a standard multimode fiber with similar outer diameter and length, we find that the Bragg fiber sensor is more sensitive to bending due to the presence of a mode stripper in the form of a multilayer reflector. Experimental results show that the minimum detection limit of the Bragg fiber sensor can be as small as 3 μm for displacement sensing.

Original languageEnglish
Pages (from-to)6344-6349
Number of pages6
JournalApplied Optics
Volume52
Issue number25
DOIs
Publication statusPublished - 2013 Sep 1

Fingerprint

Photonics
Energy gap
photonics
fibers
Fibers
sensors
Sensors
Bragg reflectors
Wavelength
Multimode fibers
wavelengths
Multilayers
Silver
reflectors
Plastics
plastics
silver
curvature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Qu, H., Brastaviceanu, T., Bergeron, F., Olesik, J., Pavlov, I., Ishigure, T., & Skorobogatiy, M. (2013). Photonic bandgap Bragg fiber sensors for bending/displacement detection. Applied Optics, 52(25), 6344-6349. https://doi.org/10.1364/AO.52.006344

Photonic bandgap Bragg fiber sensors for bending/displacement detection. / Qu, Hang; Brastaviceanu, Tiberius; Bergeron, Francois; Olesik, Jonathan; Pavlov, Ivan; Ishigure, Takaaki; Skorobogatiy, Maksim.

In: Applied Optics, Vol. 52, No. 25, 01.09.2013, p. 6344-6349.

Research output: Contribution to journalArticle

Qu, H, Brastaviceanu, T, Bergeron, F, Olesik, J, Pavlov, I, Ishigure, T & Skorobogatiy, M 2013, 'Photonic bandgap Bragg fiber sensors for bending/displacement detection', Applied Optics, vol. 52, no. 25, pp. 6344-6349. https://doi.org/10.1364/AO.52.006344
Qu H, Brastaviceanu T, Bergeron F, Olesik J, Pavlov I, Ishigure T et al. Photonic bandgap Bragg fiber sensors for bending/displacement detection. Applied Optics. 2013 Sep 1;52(25):6344-6349. https://doi.org/10.1364/AO.52.006344
Qu, Hang ; Brastaviceanu, Tiberius ; Bergeron, Francois ; Olesik, Jonathan ; Pavlov, Ivan ; Ishigure, Takaaki ; Skorobogatiy, Maksim. / Photonic bandgap Bragg fiber sensors for bending/displacement detection. In: Applied Optics. 2013 ; Vol. 52, No. 25. pp. 6344-6349.
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