Dr. Joseph T. Coffaro Profile

Dr. Joseph T. Coffaro

Research Scientist

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 7 October 2024 Presentation + Paper

Analysis of terrestrial free-space optical links with wide-band super continuum lasers and incoherent beam combining

Joseph Coffaro, Darren Getts

Proceedings Volume 13149, 131490M (2024) https://doi.org/10.1117/12.3027542

KEYWORDS: Scintillation, Wave propagation, Gaussian beams, Atmospheric propagation, Beam path, Optical simulations, Correlation coefficients, Free space optics, Turbulence, Beam wander

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Proceedings Article | 4 October 2024 Presentation + Paper

Methods and considerations for generating realistic synthetic imagery in optical tracking of extended targets

Joseph Coffaro

Proceedings Volume 13149, 131490O (2024) https://doi.org/10.1117/12.3027541

KEYWORDS: Atmospheric propagation, Turbulence, Point spread functions, Optical tracking, Imaging systems, Atmospheric turbulence, Receivers, Diffraction limit, Pupil aberrations, Image resolution

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Proceedings Article | 17 August 2021 Presentation + Paper

Comparison of single line and broad-spectrum Gaussian beam propagation through turbulence

Conor Pogue, David Wayne, Joseph Coffaro, Matthew Salfer-Hobbs

Proceedings Volume 11834, 118340J (2021) https://doi.org/10.1117/12.2595822

KEYWORDS: Scintillation, Turbulence, Atmospheric propagation, Atmospheric optics, Optical testing, Free space optics, Cameras, Near field optics, Supercontinuum sources, Beam expanders

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Proceedings Article | 4 August 2021 Presentation + Paper

Evaluation of instruments for turbulence measurements at 1 km and 13.5 km ranges

Matthew Salfer-Hobbs, Thomas Miletich, Joseph Coffaro, Hannah Kimble-Williams

Proceedings Volume 11834, 1183402 (2021) https://doi.org/10.1117/12.2595356

KEYWORDS: Refractive index, Scintillation, Turbulence, Temperature metrology, Light scattering, Imaging systems

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Proceedings Article | 12 April 2021 Presentation + Paper

Deployable scintillometer for ocean optical turbulence characterization

Burton Neuner, Skylar Lilledahl, Joseph Coffaro, Jonathan Itschner, Ben Laxton, Brittany Lynn

Proceedings Volume 11752, 117520A (2021) https://doi.org/10.1117/12.2588721

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Proceedings Article | 31 August 2020 Paper

Exploring the behavior of supercontinuum laser sources in atmospheric turbulence

Joseph Coffaro, Bruce Berry, Matthew Salfer-Hobbs, Ronald Philips, Larry Andrews, Robert Crabbs, Christopher Smith

Proceedings Volume 11506, 115060D (2020) https://doi.org/10.1117/12.2570399

KEYWORDS: Laser sources, Atmospheric turbulence, Laser scattering, Atmospheric propagation, Turbulence, Absorption, Scattering, Laser development

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Proceedings Article | 6 September 2019 Presentation + Paper

Refractive index spectrum near ground level over the Space Shuttle Landing Facility

Joseph Coffaro, Jonathan Spychalsky, Bruce Berry, Melissa Beason, Ronald Phillips, Larry Andrews, Robert Crabbs

Proceedings Volume 11133, 111330O (2019) https://doi.org/10.1117/12.2528050

KEYWORDS: Refractive index, Vegetation, Laser beam propagation, Atmospheric turbulence, Visible radiation, Atmospheric propagation

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Proceedings Article | 6 September 2019 Presentation + Paper

NIR extinction imaging using a single-pixel camera

Frank Sanzone, Bruce Berry, Melissa Beason, Joseph Coffaro, Jonathan Spychalsky, Franklin Titus, Robert Crabbs, Larry Andrews, Ronald Phillips

Proceedings Volume 11133, 111330T (2019) https://doi.org/10.1117/12.2526800

KEYWORDS: Mass attenuation coefficient, Digital micromirror devices, Micromirrors, Imaging systems, CCD image sensors, Sensors, Cameras, Atmospheric optics, Infrared imaging, Imaging arrays

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Proceedings Article | 18 September 2018 Presentation + Paper

Near ground surface turbulence measurements and validation: a comparison between different systems

Chensheng Wu, Daniel Paulson, Miranda Van Iersel, Joseph Coffaro, Melissa Beason, Christopher Smith, Robert Crabbs, Ronald Phillips, Larry Andrews, Christopher Davis

Proceedings Volume 10770, 107700K (2018) https://doi.org/10.1117/12.2322723

KEYWORDS: Turbulence, Anisotropy, Scintillation, Sensors, Telecommunications, Imaging systems, Beam shaping, LIDAR, Atmospheric propagation, Systems modeling, Temperature sensors, Atmospheric turbulence, Optical turbulence

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Proceedings Article | 18 September 2018 Presentation + Paper

Near ground measurements of beam shaping and anisotropic turbulence over concrete runway and grass range

Melissa Beason, Frank Sanzone, Joseph Coffaro, Christopher Smith, Jonathon Spychalsky, Bruce Berry, Franklin Titus, Robert Crabbs, Larry Andrews, Ronald Phillips

Proceedings Volume 10770, 107700L (2018) https://doi.org/10.1117/12.2323317

KEYWORDS: Scintillation, Turbulence, Atmospheric propagation, Beam propagation method, Anisotropy, Beam shaping, Gaussian beams, Mathematical modeling, Optical testing

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Proceedings Article | 18 September 2018 Presentation + Paper

A multi-aperture laser transmissometer for detailed characterization of laser propagation over long paths through the turbulent atmosphere

Daniel Paulson, Chensheng Wu, John Rzasa, Jonathan Ko, Miranda Van Iersel, Joseph Coffaro, Christopher Smith, Robert Crabbs, Christopher Davis

Proceedings Volume 10770, 107700J (2018) https://doi.org/10.1117/12.2322586

KEYWORDS: Turbulence, Receivers, Sensors, Visibility, Transmitters, Atmospheric propagation, Signal detection, Refractive index, Laser beam propagation, Mass attenuation coefficient

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Proceedings Article | 18 September 2018 Presentation + Paper

Analysis of optical turbulence evolution over the Space Shuttle Landing Facility

Joseph Coffaro, Melissa Beason, Christopher Smith, Ronald Phillips, Larry Andrews, Robert Crabbs

Proceedings Volume 10770, 107700M (2018) https://doi.org/10.1117/12.2323330

KEYWORDS: Data modeling, Optical turbulence, Temperature metrology, Turbulence, Refractive index, Atmospheric modeling, Space operations, Coastal modeling, Atmospheric optics, Statistical analysis

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Proceedings Article | 30 August 2017 Presentation + Paper

Atmospheric characterization on the Kennedy Space Center Shuttle Landing Facility

Jonathan Ko, Joseph Coffaro, Chensheng Wu, Daniel Paulson, Christopher Davis

Proceedings Volume 10408, 104080P (2017) https://doi.org/10.1117/12.2276297

KEYWORDS: Atmospheric turbulence, Atmospheric optics, Sensors, Turbulence, Atmospheric propagation, Atmospheric scintillation, Atmospheric sensing, Scintillation, Wavefront sensors, Adaptive optics

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Proceedings Article | 4 September 2015 Paper

Enhanced backscatter analysis for long-range optical tracking in deep turbulent conditions

Christopher Smith, Sara Belichki, Joseph Coffaro, Michael Panich, Landon Splitter, Larry Andrews, Ronald Philips, David Wayne

Proceedings Volume 9614, 96140A (2015) https://doi.org/10.1117/12.2203564

KEYWORDS: Atmospheric propagation, Retroreflectors, Turbulence, Data processing, Backscatter, Optical tracking, Image processing, Imaging systems, Wave propagation, Cameras

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Proceedings Article | 7 October 2014 Paper

Post-image acquisition processing approaches for coherent backscatter validation

Christopher Smith, Sara Belichki, Joseph Coffaro, Michael Panich, Larry Andrews, Ronald Phillips

Proceedings Volume 9224, 92241Q (2014) https://doi.org/10.1117/12.2087113

KEYWORDS: Image processing, Atmospheric propagation, Backscatter, Beam splitters, Image enhancement, Retroreflectors, Laser beam propagation, Algorithm development, Inspection, Cameras

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Proceedings Article | 3 October 2014 Paper

Extended BKB model utilizing regional weather data for Cn2 measurement

Joseph Coffaro, Michael Panich, Sara Belichki, Ronald Phillips, Larry Andrews, Wayne Fountain, Frank Tucker

Proceedings Volume 9224, 922407 (2014) https://doi.org/10.1117/12.2086811

KEYWORDS: Data modeling, Atmospheric modeling, Climatology, Refractive index, Meteorology, Humidity, Atmospheric turbulence, Temperature sensors, Atmospheric optics, Temperature metrology

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Proceedings Article | 9 June 2014 Paper

Scintillation fluctuations of optical communication lasers in atmospheric turbulence

Michael Panich, Joseph Coffaro, Sara Belichki, Landon Splitter, Ronald Phillips, Larry Andrews, Wayne Fountain, Frank Tucker

Proceedings Volume 9080, 908013 (2014) https://doi.org/10.1117/12.2053338

KEYWORDS: Scintillation, Sensors, Atmospheric turbulence, Mathematical modeling, Atmospheric propagation, Laser sources, Refractive index, Optical communications, Telecommunications, Laser optics

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Proceedings Article | 9 June 2014 Paper

Image processing techniques for laser propagation through atmospheric turbulence

Sara Belichki, Landon Splitter, Larry Andrews, Ronald Phillips, Joseph Coffaro, Michael Panich

Proceedings Volume 9080, 90801A (2014) https://doi.org/10.1117/12.2053320

KEYWORDS: Sensors, Atmospheric propagation, Video, Atmospheric turbulence, Detection and tracking algorithms, Binary data, Laser beam propagation, Scintillation, Data modeling, Telecommunications

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Showing 5 of 18 publications

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