Dr. Claire E. Davis Profile

Dr. Claire E. Davis

at Defence Science and Technology Group

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Author

Publications (17)

Proceedings Article | 30 December 2019 Paper

Distributed fibre optic pressure sensors designed for composite propeller integration

Tim Booker, Claire Davis, John Arkwright

Proceedings Volume 11200, 112002Q (2019) https://doi.org/10.1117/12.2539575

KEYWORDS: Sensors, Fiber Bragg gratings, Optical design, Composites, Fiber optics, Data modeling, Ocean optics, Manufacturing

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Proceedings Article | 12 April 2017 Paper

Effect of gauge length on embedded fibre Bragg grating sensor response in woven fibre composites

Claire Davis, Andrew Philips, Patrick Norman, Nik Rajic

Proceedings Volume 10168, 101681V (2017) https://doi.org/10.1117/12.2261775

KEYWORDS: Fiber Bragg gratings, Sensors, Composites, Optical fibers, Inspection, Nondestructive evaluation, Polymers, Optical tracking, Detection and tracking algorithms, Glasses, Reflection, Refractive index, Reflectivity

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Proceedings Article | 20 April 2016 Presentation + Paper

Fiber optic approach for detecting corrosion

Roman Kostecki, Heike Ebendorff-Heidepriem, Claire Davis, Grant McAdam, Tianyu Wang, Tanya Monro

Proceedings Volume 9803, 98031I (2016) https://doi.org/10.1117/12.2219496

KEYWORDS: Corrosion, Sensors, Fiber optics sensors, Optical sensing, Optical fibers, Fiber optics, Smart structures, Nondestructive evaluation, Structural health monitoring, Optical coatings, Aluminum, Silica, Polymers, Glasses, Micro optical fluidics, Geometrical optics, Polymethylmethacrylate, Signal attenuation

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Proceedings Article | 20 April 2016 Paper

Limits to acoustic sensing and modal decomposition using FBGs

Patrick Norman, Claire Davis, Cédric Rosalie, Nik Rajic

Proceedings Volume 9803, 98033U (2016) https://doi.org/10.1117/12.2219004

KEYWORDS: Fiber Bragg gratings, Acoustics, Structural health monitoring, Sensors, Diagnostics, Vibrometry, Wave sensors, Distortion, Wave plates, Laser Doppler velocimetry, Aluminum, Refractive index, Laser sources

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Proceedings Article | 31 January 2012 Paper

High strain FBG sensors for structural fatigue testing of military aircraft

S. Tejedor, J. Kopczyk, T. Nuyens, C. Davis

Proceedings Volume 8351, 83511M (2012) https://doi.org/10.1117/12.915933

KEYWORDS: Sensors, Packaging, Fiber Bragg gratings, Optical fibers, Glasses, Adhesives, Ultraviolet radiation, Defense and security, Coating, Resistance

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Proceedings Article | 17 May 2011 Paper

Development of an integrated fibre optic sensing network for a composite rudder

Claire Davis, Ivan Grabovac, Roger Crane, Colin Ratcliffe

Proceedings Volume 7753, 77534W (2011) https://doi.org/10.1117/12.885057

KEYWORDS: Composites, Optical fibers, Fiber Bragg gratings, Packaging, Sensors, Glasses, Connectors, Fiber optics, Optical networks, Coating

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Proceedings Article | 1 April 2010 Paper

Broad-area detection of structural irregularities in composites using fibre Bragg gratings

Claire Davis, Patrick Norman, Scott Moss, Colin Ratcliffe, Roger Crane

Proceedings Volume 7647, 76473M (2010) https://doi.org/10.1117/12.848692

KEYWORDS: Fiber Bragg gratings, Composites, Inspection, Sensors, Environmental sensing, Structural health monitoring, Shape analysis, Ultrasonics, Photodiodes, Optical testing

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Proceedings Article | 5 October 2009 Paper

Exposed-core microstructured fibres for real-time fluorescence sensing

Stephen Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, Tanya Monro

Proceedings Volume 7503, 750357 (2009) https://doi.org/10.1117/12.834457

KEYWORDS: Luminescence, Micro optical fluidics, Structured optical fibers, Glasses, Etching, Sensors, Time metrology, Quantum dots, Capillaries, Absorption

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Proceedings Article | 30 March 2009 Paper

Temperature-independent Bragg grating-based sensor for monitoring regions of localised strain concentration

Claire Davis, William G. Brown, Paul Stoddart

Proceedings Volume 7292, 72923I (2009) https://doi.org/10.1117/12.817498

KEYWORDS: Sensors, Fiber Bragg gratings, Temperature metrology, Optical fibers, Photodiodes, Environmental sensing, Composites, Aluminum, Optical filters, Reflection

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Proceedings Article | 16 May 2008 Paper

Fail-safe sensor for structural health monitoring

Annelene Dethlefsen, Henry C. Li, Claire Davis, Paul Stoddart

Proceedings Volume 7004, 700425 (2008) https://doi.org/10.1117/12.785925

KEYWORDS: Sensors, Fiber Bragg gratings, Structural health monitoring, Finite element methods, Photodetectors, Composites, Signal detection, Light sources, Optical design, Aircraft structures

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Proceedings Article | 16 May 2008 Paper

Validation of Bragg grating measurements of acoustic plate waves

Claire Davis, Nik Rajic, Cedric Rosalie

Proceedings Volume 7004, 70045C (2008) https://doi.org/10.1117/12.786313

KEYWORDS: Fiber Bragg gratings, Wave plates, Acoustics, Vibrometry, Optical design, Sensors, Numerical modeling, Actuators, Signal detection, Velocity measurements

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Proceedings Article | 8 April 2008 Paper

An optical fibre sensor for acoustic wave mode decomposition

N. Rajic, C. Davis, C. Rosalie

Proceedings Volume 6932, 69323G (2008) https://doi.org/10.1117/12.775957

KEYWORDS: Sensors, Fiber Bragg gratings, Acoustics, Optical fibers, Wave plates, Velocity measurements, Structural health monitoring, Metals, Diagnostics, Wave sensors

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Proceedings Article | 10 April 2007 Paper

Composite scarf repair monitoring using fiber Bragg grating sensors

Henry Li, Israel Herszberg, Claire Davis, Paul Stoddart

Proceedings Volume 6529, 65291Z (2007) https://doi.org/10.1117/12.715516

KEYWORDS: Sensors, Composites, Fiber Bragg gratings, Structural health monitoring, Adhesives, Active sensors, Photodetectors, Fiber optics, Finite element methods, Aerospace engineering

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Proceedings Article | 11 April 2006 Paper

Health monitoring of bonded composite repairs using fibre optic sensors

Henry Li, Olivier Dupouy, Israel Herszberg, Paul Stoddart, Claire Davis, Adrian Mouritz

Proceedings Volume 6174, 617418 (2006) https://doi.org/10.1117/12.658414

KEYWORDS: Sensors, Composites, Fiber Bragg gratings, Reflection, Structural health monitoring, Finite element methods, Fiber optics sensors, Fiber optics, Aerospace engineering, Modulation

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Proceedings Article | 13 November 2002 Paper

Finite element modeling to determine thermal residual strain distribution of bonded composite repairs for structural health monitoring design

Wayne Baker, Rhys Jones, Claire Davis, Stephen Galea

Proceedings Volume 4934, (2002) https://doi.org/10.1117/12.471968

KEYWORDS: Sensors, Reflection, Composites, Fiber Bragg gratings, Finite element methods, Structural health monitoring, Structural design, Optical fibers, Aluminum, Boron

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The economic implication of fleet upgrades, particularly in Australia with military aircraft such as the F-111 and F/A-18, has led to an increasing reliance on composite repair technology to address fatigue and corrosion-affected aircraft components. The increasing use of such repairs has led to a research effort to develop various in-situ health monitoring systems that may be incorporated with a repair. This paper reports on the development of a theoretical methodology that uses finite element analysis (FEA) to model the strain profiles which optical sensors, on or within the patch, will be exposed to under various operational scenarios, including load and disbond. Numerical techniques are then used to predict the fibre Bragg grating (FBG) reflections which occur with these strain profiles. The quality of these reflection are a key consideration when designing FBG based structural health monitoring (SHM) systems. This information can be used to optimise the location of both surface mounted, and embedded sensors, and determine feasibility of SHM system design. Research was conducted into the thermal residual strain (TRS) within the patch. A finite element study revealed the presence of significant thermal residual strain gradients along the surface of the tapered region of the patch. As Bragg gratings are particularly sensitive to strain gradients, (producing a result similar to a chirped grating) the strain gradient on the composite at potential sensor locations both under load, and in the event of disbond was considered. A sufficiently high gradient leads to an altered Bragg reflection. These spurious reflections need to be considered, and theoretically obtained reflections can provide information to allow for load scenarios where the Bragg shift is not a smooth, well defined peak. It can also be shown that embedded fibres offer a higher average thermal residual strain reading, while being subject to a much lower strain gradient. This particularly favors the optical disbond detection system that is being developed. While certification concerns exist with embedding sensors in repairs, this study shows that embedded optical fibre sensors may provide for a health monitoring system with enhanced reliability and sensitivity.

Proceedings Article | 13 November 2002 Paper

In-situ health monitoring of bonded composite repairs using a novel fiber Bragg grating sensing arrangement

Claire Davis, Wayne Baker, Scott Moss, Stephen Galea, Rhys Jones

Proceedings Volume 4934, (2002) https://doi.org/10.1117/12.471965

KEYWORDS: Fiber Bragg gratings, Composites, Reflection, Sensors, Aluminum, Optical fibers, Fiber optics, Optical testing, Corrosion, Active optics

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Proceedings Article | 1 September 2000 Paper

Dynamic measurements of a micropump using a fiber-optic-based interferometer

Claire Davis, David Booth, Erol Harvey, P. Cadusch, Alexander Mazzolini, S. Askraba

Proceedings Volume 4075, (2000) https://doi.org/10.1117/12.397921

KEYWORDS: Interferometers, Actuators, Fiber optics, Interferometry, Microelectromechanical systems, Fringe analysis, Phase shift keying, Modulation, Liquids, Fiber optics tests

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Showing 5 of 17 publications

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