Dr. Alexander K. Sang Profile

Dr. Alexander K. Sang

Senior Software Engineer at Intutitive Surgical Inc

SPIE Involvement:

Author

Area of Expertise:

Fiber optic Sensing , Distributed Sensing , Programming , Demodulation System Design

Publications (9)

Proceedings Article | 29 May 2013 Paper

High resolution, high sensitivity, dynamic distributed structural monitoring using optical frequency domain reflectometry

Stephen Kreger, Alex Sang, Naman Garg, Julia Michel

Proceedings Volume 8722, 87220D (2013) https://doi.org/10.1117/12.2018237

KEYWORDS: Sensors, Spatial resolution, Fiber Bragg gratings, Digital signal processing, Fiber optics sensors, Reflectometry, Signal processing, Optical fibers, Head, Structural monitoring

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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 | 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 | 28 April 2009 Paper

An integrated high-pressure, pressure temperature, and skin friction sensor

Alexander Sang, Clark Boyd

Proceedings Volume 7316, 731613 (2009) https://doi.org/10.1117/12.820818

KEYWORDS: Sensors, Temperature metrology, Calibration, Skin, Sensor calibration, Protactinium, Fiber optics sensors, Reflection, Temperature sensors, Prototyping

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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-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 | 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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Showing 5 of 9 publications

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