Dr. Dawn K. Gifford Profile

Dr. Dawn K. Gifford

Managing Prinical at Intuitive Surgical Inc

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Publications (11)

Proceedings Article | 24 September 2013 Paper

Fiber optic strain, temperature and shape sensing via OFDR for ground, air and space applications

Joseph Bos, Justin Klein, Mark Froggatt, Eric Sanborn, Dawn Gifford

Proceedings Volume 8876, 887614 (2013) https://doi.org/10.1117/12.2025711

KEYWORDS: Sensors, Optical sensing, Structured optical fibers, Fiber optics sensors, Spatial resolution, Coating, Temperature metrology, Beam shaping, Optical fibers, Sensing systems

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Proceedings Article | 17 May 2011 Paper

Millimeter resolution distributed dynamic strain measurements using optical frequency domain reflectometry

A. Sang, M. Froggatt, S. Kreger, D. Gifford

Proceedings Volume 7753, 77532S (2011) https://doi.org/10.1117/12.885946

KEYWORDS: Optical fibers, Spatial resolution, Transducers, Optical testing, Data acquisition, Aluminum, Fiber Bragg gratings, Digital signal processing, Reflectometry, Calibration

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Proceedings Article | 17 May 2011 Paper

High precision, high sensitivity distributed displacement and temperature measurements using OFDR-based phase tracking

Dawn Gifford, Mark Froggatt, Stephen Kreger

Proceedings Volume 7753, 77533I (2011) https://doi.org/10.1117/12.885131

KEYWORDS: Temperature metrology, Fiber Bragg gratings, Spatial resolution, Phase measurement, Fiber optics sensors, Optical fibers, Reflectometry, Sensors, Precision measurement, Phase shift keying

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Proceedings Article | 9 September 2010 Paper

Strain measurements of a fiber loop rosette using high spatial resolution Rayleigh scatter distributed sensing

Dawn Gifford, Alex Sang, Steven Kreger, Mark Froggatt

Proceedings Volume 7653, 765333 (2010) https://doi.org/10.1117/12.866536

KEYWORDS: Spatial resolution, Optical fibers, Geometrical optics, Reflectometry, Fiber optics sensors, Temperature metrology, Sensors, Fiber Bragg gratings, Aluminum, Distance measurement

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Proceedings Article | 28 April 2009 Paper

Distributed strain and temperature sensing in plastic optical fiber using Rayleigh scatter

Stephen Kreger, Alex Sang, Dawn Gifford, Mark Froggatt

Proceedings Volume 7316, 73160A (2009) https://doi.org/10.1117/12.821353

KEYWORDS: Phase only filters, Optical fibers, Spatial resolution, Fiber Bragg gratings, Temperature metrology, Polymer optical fibers, Calibration, Backscatter, Optical sensing, Multimode fibers

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Proceedings Article | 12 October 2007 Paper

Swept-wavelength interferometric interrogation of fiber Rayleigh scatter for distributed sensing applications

Dawn Gifford, Steven Kreger, Alex Sang, Mark Froggatt, Roger Duncan, Matthew Wolfe, Brian Soller

Proceedings Volume 6770, 67700F (2007) https://doi.org/10.1117/12.734931

KEYWORDS: Temperature metrology, Spatial resolution, Fiber Bragg gratings, Calibration, Interferometry, Scatter measurement, Spectral resolution, Sensors, Optical fibers, Polarization

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Proceedings Article | 2 July 2007 Paper

One centimeter spatial resolution temperature measurements in a nuclear reactor using Rayleigh scatter in optical fiber

A. Sang, D. Gifford, B. Dickerson, B. Fielder, M. Froggatt

Proceedings Volume 6619, 66193D (2007) https://doi.org/10.1117/12.738575

KEYWORDS: Temperature metrology, Optical fibers, Spatial resolution, Sensors, Backscatter, Fiber coatings, Environmental sensing, Fiber optics, Fiber Bragg gratings, Polarization

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Proceedings Article | 10 April 2007 Paper

High-accuracy fiber-optic shape sensing

Roger Duncan, Mark Froggatt, Stephen Kreger, Ryan Seeley, Dawn Gifford, Alexander Sang, Matthew Wolfe

Proceedings Volume 6530, 65301S (2007) https://doi.org/10.1117/12.720914

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Optical fibers, Spatial frequencies, Fiber optics, Calibration, Fiber optics tests, Precision measurement, Scatter measurement

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Proceedings Article | 10 April 2007 Paper

High-resolution extended distance distributed fiber-optic sensing using Rayleigh backscatter

Stephen Kreger, Dawn Gifford, Mark Froggatt, Alex Sang, Roger Duncan, Matthew Wolfe, Brian Soller

Proceedings Volume 6530, 65301R (2007) https://doi.org/10.1117/12.720913

KEYWORDS: Spatial resolution, Backscatter, Multimode fibers, Optical fibers, Temperature metrology, Spectral resolution, Sensors, Fiber Bragg gratings, Reflectivity, Interferometers

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Proceedings Article | 22 July 2003 Paper

Distributed sensing technique for test article damage detection and monitoring

Roger Duncan, Brooks Childers, Dawn Gifford, Don Pettit, Andrew Hickson, Timothy Brown

Proceedings Volume 5050, (2003) https://doi.org/10.1117/12.512546

KEYWORDS: Fiber Bragg gratings, Sensors, Fiber optics, Fiber optics sensors, Optical fibers, Damage detection, Nondestructive evaluation, Sensing systems, Reflectometry, Inspection

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Proceedings Article | 22 July 2003 Paper

Structural integrity monitoring of aircraft panels using a distributed Bragg grating sensing technique

Dawn Gifford, Brooks Childers, Roger Duncan, Anthony Jackson, Surendra Shaw, William Schwienberg, James Mazza

Proceedings Volume 5050, (2003) https://doi.org/10.1117/12.508072

KEYWORDS: Fiber Bragg gratings, Sensors, Fiber optics sensors, Visualization, Fiber optics, Sensing systems, Optical fibers, Composites, Reflectometry, Demodulation

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Showing 5 of 11 publications

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