Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings

Amanda Fender; Euan J. Rigg; R. R J Maier; William N. MacPherson; James S. Barton; Andrew J. Moore; J. D C Jones; Donghui Zhao; Lin Zhang; Ian Bennion; Scott McCulloch; B. J S Jones

doi:10.1364/AO.45.009041

Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings

Amanda Fender, Euan J. Rigg, R. R J Maier, William N. MacPherson, James S. Barton, Andrew J. Moore, J. D C Jones, Donghui Zhao, Lin Zhang, Ian Bennion, Scott McCulloch, B. J S Jones

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

We describe the use of arrayed waveguide gratings (AWGs) in the interrogation of fiber Bragg gratings (FBGs) for dynamic strain measurement. The ratiometric AWG output was calibrated in a static deflection experiment over a ±200 µe range. Dynamic strain measurement was demonstrated with a FBG in a conventional single-mode fiber mounted on the surface of a vibrating cantilever and on a piezoelectric actuator, giving a resolution of 0.5 µe at 2.4 kHz. We present results of this technique extended to measure the dynamic differential strain between two FBG pairs within a multicore fiber. An arbitrary cantilever oscillation of the multicore fiber was determined from curvature measurements in two orthogonal axes at 1125 Hz with a resolution of 0.05 m^-1. © 2006 Optical Society of America.

Original language	English
Pages (from-to)	9041-9048
Number of pages	8
Journal	Applied Optics
Volume	45
Issue number	36
DOIs	https://doi.org/10.1364/AO.45.009041
Publication status	Published - 20 Dec 2006

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Fender, A., Rigg, E. J., Maier, R. R. J., MacPherson, W. N., Barton, J. S., Moore, A. J., Jones, J. D. C., Zhao, D., Zhang, L., Bennion, I., McCulloch, S., & Jones, B. J. S. (2006). Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings. Applied Optics, 45(36), 9041-9048. https://doi.org/10.1364/AO.45.009041

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title = "Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings",

abstract = "We describe the use of arrayed waveguide gratings (AWGs) in the interrogation of fiber Bragg gratings (FBGs) for dynamic strain measurement. The ratiometric AWG output was calibrated in a static deflection experiment over a ±200 µe range. Dynamic strain measurement was demonstrated with a FBG in a conventional single-mode fiber mounted on the surface of a vibrating cantilever and on a piezoelectric actuator, giving a resolution of 0.5 µe at 2.4 kHz. We present results of this technique extended to measure the dynamic differential strain between two FBG pairs within a multicore fiber. An arbitrary cantilever oscillation of the multicore fiber was determined from curvature measurements in two orthogonal axes at 1125 Hz with a resolution of 0.05 m-1. {\textcopyright} 2006 Optical Society of America.",

author = "Amanda Fender and Rigg, {Euan J.} and Maier, {R. R J} and MacPherson, {William N.} and Barton, {James S.} and Moore, {Andrew J.} and Jones, {J. D C} and Donghui Zhao and Lin Zhang and Ian Bennion and Scott McCulloch and Jones, {B. J S}",

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T1 - Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings

AU - Fender, Amanda

AU - Rigg, Euan J.

AU - Maier, R. R J

AU - MacPherson, William N.

AU - Barton, James S.

AU - Moore, Andrew J.

AU - Jones, J. D C

AU - Zhao, Donghui

AU - Zhang, Lin

AU - Bennion, Ian

AU - McCulloch, Scott

AU - Jones, B. J S

PY - 2006/12/20

Y1 - 2006/12/20

N2 - We describe the use of arrayed waveguide gratings (AWGs) in the interrogation of fiber Bragg gratings (FBGs) for dynamic strain measurement. The ratiometric AWG output was calibrated in a static deflection experiment over a ±200 µe range. Dynamic strain measurement was demonstrated with a FBG in a conventional single-mode fiber mounted on the surface of a vibrating cantilever and on a piezoelectric actuator, giving a resolution of 0.5 µe at 2.4 kHz. We present results of this technique extended to measure the dynamic differential strain between two FBG pairs within a multicore fiber. An arbitrary cantilever oscillation of the multicore fiber was determined from curvature measurements in two orthogonal axes at 1125 Hz with a resolution of 0.05 m-1. © 2006 Optical Society of America.

AB - We describe the use of arrayed waveguide gratings (AWGs) in the interrogation of fiber Bragg gratings (FBGs) for dynamic strain measurement. The ratiometric AWG output was calibrated in a static deflection experiment over a ±200 µe range. Dynamic strain measurement was demonstrated with a FBG in a conventional single-mode fiber mounted on the surface of a vibrating cantilever and on a piezoelectric actuator, giving a resolution of 0.5 µe at 2.4 kHz. We present results of this technique extended to measure the dynamic differential strain between two FBG pairs within a multicore fiber. An arbitrary cantilever oscillation of the multicore fiber was determined from curvature measurements in two orthogonal axes at 1125 Hz with a resolution of 0.05 m-1. © 2006 Optical Society of America.

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DO - 10.1364/AO.45.009041

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SP - 9041

EP - 9048

JO - Applied Optics

JF - Applied Optics

IS - 36

ER -

Dynamic two-axis curvature measurement using multicore fiber Bragg gratings interrogated by arrayed waveguide gratings

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