Dr. Andrew J. Gatesman Profile

Dr. Andrew J. Gatesman

Program Director at Univ of Massachusetts Lowell

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 15 June 2023 Presentation + Paper

A novel technique for ultrathin inhomogeneous dielectric powder layer sensing using a W-band metasurface

Zachary Kurland, Thomas Goyette, Andrew Gatesman

Proceedings Volume 12516, 125160O (2023) https://doi.org/10.1117/12.2662246

KEYWORDS: Transmittance, Dielectrics, Device simulation, Inhomogeneities, Antennas, Monte Carlo methods, Metamaterials, Material characterization

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Proceedings Article | 12 April 2021 Presentation + Paper

Moving target S-Band radar data for Doppler and micro-Doppler analysis using a scale-model helicopter measured in a 100GHz compact radar range

Thomas Goyette, Jason Dickinson, Guy DeMartinis, Andrew Gatesman, Charles Molhoek

Proceedings Volume 11742, 1174214 (2021) https://doi.org/10.1117/12.2587046

KEYWORDS: Radar, S band, Doppler effect, Motion analysis

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Proceedings Article | 12 April 2021 Presentation + Paper

Generation of planar and arbitrary flight path spotlight SAR imagery utilizing a compact radar range

C. Beaudoin, L. Horgan, B. Soper, G. DeMartinis, A. Gatesman, C. Molhoek

Proceedings Volume 11745, 1174505 (2021) https://doi.org/10.1117/12.2587930

KEYWORDS: Synthetic aperture radar, Radar, Data modeling, Motion models, X band

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Proceedings Article | 13 May 2019 Presentation + Paper

Radar backscattering measurements of a simplified rough ocean surface

Abigail Gilmore, Brian Soper, Thomas Goyette, Andrew Gatesman

Proceedings Volume 10994, 109940E (2019) https://doi.org/10.1117/12.2518461

KEYWORDS: Backscatter, Radar, X band, Dielectrics, Mathematical modeling, 3D modeling, Statistical modeling

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Proceedings Article | 13 May 2019 Paper

3D radar imaging of mm-wave compact range data using compressed sensing

Thomas Goyette, Jason Dickinson, Guy DeMartinis, Andrew Gatesman

Proceedings Volume 10994, 1099403 (2019) https://doi.org/10.1117/12.2521127

KEYWORDS: Data modeling, Radar, 3D acquisition, 3D modeling, Compressed sensing, Scattering, Solid modeling, 3D metrology, Computer aided design, 3D image processing

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Proceedings Article | 13 May 2019 Paper

Compressed sensing millimeter-wave compact radar range data acquisition and imaging

Guy DeMartinis, Brian Soper, Jason Cook, Thomas Goyette, Andrew Gatesman

Proceedings Volume 10994, 1099402 (2019) https://doi.org/10.1117/12.2518937

KEYWORDS: Data acquisition, Compressed sensing, Radar, Radar imaging, Data compression, Radar signal processing

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Proceedings Article | 8 May 2018 Presentation + Paper

Backscattering from a rough, high dielectric constant surface: an application for radar sensing of ocean clutter

Jojit Torcedo, Thomas Goyette, Andrew Gatesman

Proceedings Volume 10634, 106340L (2018) https://doi.org/10.1117/12.2319606

KEYWORDS: Backscatter, Reflectivity, Dielectrics, Radar, X band, Scattering, Dielectric polarization, Millimeter wave imaging, Synthetic aperture radar

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Proceedings Article | 4 May 2018 Presentation + Paper

3D radar imaging using interferometric ISAR

Thomas Goyette, Jason Dickinson, Ryan Wetherbee, Jason Cook, Andrew Gatesman, William Nixon

Proceedings Volume 10633, 1063303 (2018) https://doi.org/10.1117/12.2304438

KEYWORDS: 3D modeling, 3D acquisition, Data modeling, Computer aided design, Solid modeling, Radar, Scattering, 3D image processing, Rockets, Interferometry

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Proceedings Article | 1 May 2017 Presentation + Paper

A prototype fully polarimetric 160-GHz bistatic ISAR compact radar range

C. Beaudoin, T. Horgan, G. DeMartinis, M. Coulombe, T. Goyette, A. Gatesman, William Nixon

Proceedings Volume 10188, 101880Z (2017) https://doi.org/10.1117/12.2262372

KEYWORDS: Calibration, Data modeling, Polarimetry, Scattering, Optical spheres, Receivers, Target detection, Radar, Prototyping, 3D image processing, Polarization, 3D modeling, Electromagnetic scattering, Scatter measurement, Mirrors, X band, Transmitters

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Proceedings Article | 19 May 2015 Paper

Electromagnetic scattering from dielectric surfaces at millimeter wave and terahertz frequencies

D. DiGiovanni, A. Gatesman, R. Giles, T. Goyette, W. Nixon

Proceedings Volume 9462, 94620H (2015) https://doi.org/10.1117/12.2179707

KEYWORDS: Dielectrics, Backscatter, Terahertz radiation, Scattering, Reflectivity, Extremely high frequency, Transmittance, Dielectric polarization, Carbon, Electromagnetic scattering

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Proceedings Article | 13 May 2015 Paper

Phase characteristics of subwavelength antenna elements for efficient design of terahertz frequency and millimeter wave metasurfaces

Richard Williams, Andrew Gatesman, Robert Giles, William Nixon

Proceedings Volume 9483, 94830H (2015) https://doi.org/10.1117/12.2182582

KEYWORDS: Reflection, Resonators, Data modeling, Antennas, Numerical simulations, Metamaterials, Refraction, Infrared radiation, Extremely high frequency, Thermal modeling

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Proceedings Article | 9 June 2014 Paper

Surface and volumetric backscattering between 100 GHz and 1.6 THz

D. DiGiovanni, Andrew Gatesman, T. Goyette, R. Giles

Proceedings Volume 9078, 90780A (2014) https://doi.org/10.1117/12.2051772

KEYWORDS: Dielectrics, Backscatter, Scattering, Aluminum, Terahertz radiation, Metals, Dielectric polarization, Reflectivity, Carbon, Transmittance

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Proceedings Article | 21 May 2014 Paper

Radar cross section measurements of frequency selective terahertz retroreflectors

Richard Williams, Andrew Gatesman, Thomas Goyette, Robert Giles

Proceedings Volume 9102, 91020R (2014) https://doi.org/10.1117/12.2051802

KEYWORDS: Retroreflectors, Backscatter, Reflectors, Spherical lenses, Radar, Optical spheres, Reflectivity, Bandpass filters, FSS based metamaterials, Dielectrics

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Proceedings Article | 31 May 2013 Paper

Backscattering of ground terrain and building materials at submillimeter-wave and terahertz frequencies

D. DiGiovanni, A. Gatesman, R. Giles, W. Nixon

Proceedings Volume 8715, 871507 (2013) https://doi.org/10.1117/12.2015772

KEYWORDS: Soil science, Backscatter, Radar, Scattering, Terahertz radiation, Dielectrics, Profilometers, Surface roughness, Electromagnetic scattering, Polarimetry

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Proceedings Article | 9 May 2012 Paper

Uncooled photomechanical terahertz imagers

Matthew Erdtmann, Lei Zhang, Shankar Radhakrishnan, Shuyun Wu, Thomas Goyette, Andrew Gatesman

Proceedings Volume 8363, 83630C (2012) https://doi.org/10.1117/12.919058

KEYWORDS: Terahertz radiation, Imaging systems, Charge-coupled devices, Sensors, Quantum cascade lasers, Silicon, Absorption, CCD image sensors, Ions, Cameras

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Proceedings Article | 27 April 2010 Paper

Effect of periodic roughness and surface defects on the terahertz scattering behavior of cylindrical objects

A. Jagannathan, A. Gatesman, T. Horgan, T. Goyette, M. Coulombe, R. Giles, W. Nixon

Proceedings Volume 7671, 76710E (2010) https://doi.org/10.1117/12.852909

KEYWORDS: Scattering, Radium, Solids, Polishing, Terahertz radiation, Aluminum, Dielectrics, Radar, Surface finishing, Metals

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Proceedings Article | 19 February 2010 Paper

Coherent imaging at 2.4 THz with a CW quantum cascade laser transmitter

Andriy Danylov, Thomas Goyette, Jerry Waldman, Michael Coulombe, Andrew Gatesman, Robert Giles, Xifeng Qian, Neelima Chandrayan, Shivashankar Vangala, Krongtip Termkoa, William Goodhue, William Nixon

Proceedings Volume 7601, 760105 (2010) https://doi.org/10.1117/12.843197

KEYWORDS: Terahertz radiation, Transmitters, Quantum cascade lasers, Coherence imaging, Receivers, Transceivers, Radar, Molecular lasers, Diodes, Spherical lenses

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Proceedings Article | 1 May 2009 Paper

Terahertz backscattering behavior of various absorbing materials

C. Wu, A. Gatesman, L. DeRoeck, T. Horgan, R. Giles, W. Nixon

Proceedings Volume 7311, 73110M (2009) https://doi.org/10.1117/12.822189

KEYWORDS: Terahertz radiation, Backscatter, Radar, Transmittance, Scattering, Electromagnetic scattering, Polarimetry, Antennas, Transceivers, Calibration

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Proceedings Article | 12 February 2009 Paper

Prospects for quantum cascade lasers as transmitters and local oscillators in coherent terahertz transmitter/receiver systems

Jerry Waldman, Andriy Danylov, Thomas Goyette, Michael Coulombe, Robert Giles, Andrew Gatesman, William Goodhue, Jin Li, Kurt Linden, William Nixon

Proceedings Volume 7215, 72150C (2009) https://doi.org/10.1117/12.808009

KEYWORDS: Terahertz radiation, Quantum cascade lasers, Transmitters, Radar, Diodes, Transceivers, Microwave radiation, Waveguides, Receivers, Signal processing

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Proceedings Article | 9 February 2009 Paper

Terahertz spectroscopy of intrinsic biomarkers for non-melanoma skin cancer

Cecil Joseph, Anna Yaroslavsky, Munir Al-Arashi, Thomas Goyette, Jason Dickinson, Andrew Gatesman, Brian Soper, Christopher Forgione, Thomas Horgan, Elizabeth Ehasz, Robert Giles, William Nixon

Proceedings Volume 7215, 72150I (2009) https://doi.org/10.1117/12.809402

KEYWORDS: Terahertz radiation, Absorption, Imaging systems, Millimeter wave imaging, Skin cancer, Liquids, Signal to noise ratio, Skin, Terahertz spectroscopy, Transmittance

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Proceedings Article | 4 September 2008 Paper

Negative index of refraction microwave frequency structures based on high permittivity inclusions and effective medium theory

James Cramer, Andrew Gatesman, Robert Giles, William Nixon

Proceedings Volume 7029, 70290G (2008) https://doi.org/10.1117/12.797079

KEYWORDS: Optical spheres, Copper, Metamaterials, Microwave radiation, Waveguides, Refraction, Refractive index, Dielectrics, Composites, Plasma

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Proceedings Article | 19 May 2006 Paper

Terahertz behavior of optical components and common materials

Andrew Gatesman, Andriy Danylov, Thomas Goyette, Jason Dickinson, Robert Giles, William Goodhue, Jerry Waldman, William Nixon, Weber Hoen

Proceedings Volume 6212, 62120E (2006) https://doi.org/10.1117/12.668384

KEYWORDS: Terahertz radiation, Transmittance, Dielectrics, Reflectivity, Optical filters, Gas lasers, Signal attenuation, Radar, Output couplers, Optical components

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Proceedings Article | 19 May 2006 Paper

Terahertz imaging of subjects with concealed weapons

Jason Dickinson, Thomas Goyette, Andrew Gatesman, Cecil Joseph, Zachary Root, Robert Giles, Jerry Waldman, William Nixon

Proceedings Volume 6212, 62120Q (2006) https://doi.org/10.1117/12.667998

KEYWORDS: Weapons, Scanners, Radar, Terahertz radiation, Prototyping, Human subjects, Image processing, Transceivers, Image resolution, Receivers

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Proceedings Article | 17 May 2006 Paper

A 3D polar processing algorithm for scale model UHF ISAR imaging

Christopher Beaudoin, Andrew Gatesman, Robert Giles, Jerry Waldman, William Nixon

Proceedings Volume 6237, 62370A (2006) https://doi.org/10.1117/12.666617

KEYWORDS: Radar, 3D image processing, 3D acquisition, 3D modeling, Synthetic aperture radar, Data modeling, Image processing, Scattering, Image resolution, Microwave radiation

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Proceedings Article | 19 May 2005 Paper

Acquisition of UHF and X-band ISAR imagery using 1/35th scale models

Thomas Goyette, Jason Dickinson, Christopher Beaudoin, Andrew Gatesman, Robert Giles, Jerry Waldman, William Nixon

Proceedings Volume 5808, (2005) https://doi.org/10.1117/12.604762

KEYWORDS: Radar, Target detection, X band, Data modeling, Diodes, Transmitters, Receivers, Transceivers, Target recognition, Systems modeling

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Proceedings Article | 19 May 2005 Paper

Polarimetric backscattering behavior of ground clutter at X, Ka, and W-band

A. Gatesman, T. Goyette, J. Dickinson, R. Giles, J. Waldman, J. Sizemore, R. Chase, W. Nixon

Proceedings Volume 5808, (2005) https://doi.org/10.1117/12.604765

KEYWORDS: Backscatter, Radar, Reflectivity, Dielectrics, X band, Ka band, Soil science, Data modeling, Dielectric polarization, Image resolution

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Proceedings Article | 14 December 2004 Paper

Optical characteristics of biological molecules in the terahertz gap

Tatiana Globus, Ramakrishnan Parthasarathy, Tatyana Khromova, Dwight Woolard, Nathan Swami, Andrew Gatesman, Jerry Waldman

Proceedings Volume 5584, (2004) https://doi.org/10.1117/12.580838

KEYWORDS: Absorption, Refractive index, Liquids, Reflection, Molecules, Spectroscopy, Terahertz radiation, Data modeling, Biomedical optics, Molecular biology

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Proceedings Article | 12 September 2003 Paper

A signature correlation study of ground target VHF/UHF ISAR imagery

Andrew Gatesman, Christopher Beaudoin, Robert Giles, William Kersey, Jerry Waldman, Steve Carter, William Nixon

Proceedings Volume 5095, (2003) https://doi.org/10.1117/12.487009

KEYWORDS: Radar, Target acquisition, Calibration, Image processing, Image resolution, Aluminum, Target recognition, Automatic target recognition, Polarimetry, Dielectrics

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Proceedings Article | 23 December 2002 Paper

Foliage-penetrating radar imaging system

Christopher Beaudoin, Andrew Gatesman, Robert Giles, Jerry Waldman, Markus Testorf, Michael Fiddy, William Nixon

Proceedings Volume 4792, (2002) https://doi.org/10.1117/12.452400

KEYWORDS: Radar, Image processing, Scattering, Calibration, Dielectric polarization, Dielectrics, Imaging systems, Automatic target recognition, Data modeling, Target detection

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Proceedings Article | 6 August 2002 Paper

X-band radar signature characteristics for main battle tanks in operational environments

Robert Giles, William Kersey, Andrew Gatesman, Michael Coulombe, M.Shane McFarlin, Robbin Finley, William Nixon

Proceedings Volume 4718, (2002) https://doi.org/10.1117/12.478820

KEYWORDS: Radar, X band, Avalanche photodetectors, Automatic target recognition, Time multiplexed optical shutter, Ka band, Environmental sensing, Detection and tracking algorithms, Data acquisition, Target recognition

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Proceedings Article | 1 August 2002 Paper

VHF/UHF imagery and RCS measurements of ground targets in forested terrain

Andrew Gatesman, Christopher Beaudoin, Robert Giles, Jerry Waldman, William Nixon

Proceedings Volume 4727, (2002) https://doi.org/10.1117/12.478698

KEYWORDS: Radar, X band, Dielectrics, Target acquisition, Image processing, Fourier transforms, Calibration, Systems modeling, Target detection, Data modeling

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Proceedings Article | 18 September 2001 Paper

Physical scale modeling the millimeter-wave backscattering behavior of ground clutter

Andrew Gatesman, Thomas Goyette, Jason Dickinson, Jerry Waldman, Jim Neilson, William Nixon

Proceedings Volume 4370, (2001) https://doi.org/10.1117/12.440070

KEYWORDS: Backscatter, Radar, Reflectivity, Dielectrics, Data modeling, Terahertz radiation, Statistical modeling, Soil science, Image resolution, Surface roughness

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Proceedings Article | 14 December 1992 Paper

A high precision reflectometer for the study of optical properties of materials in the submillimeter

A. Gatesman

Proceedings Volume 1929, 19291B (1992) https://doi.org/10.1117/12.2298164

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Proceedings Article | 1 December 1990 Paper

FTIR spectroscopy of CVD and natural diamond

A. Gatesman

Proceedings Volume 1514, 151423 (1990) https://doi.org/10.1117/12.2301485

KEYWORDS: Diamond, Data modeling, FT-IR spectroscopy, Refractive index, Absorption, Spectroscopy, Chemical vapor deposition, Optical properties, Scattering, Surface roughness

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Proceedings Article | 1 December 1990 Paper

Optical properties of polycrystalline diamond films in the far-infrared

Andrew Gatesman, Robert Giles, Jerry Waldman, L. Bourget, Richard Post

Proceedings Volume 1325, (1990) https://doi.org/10.1117/12.22456

KEYWORDS: Diamond, Data modeling, Absorption, Refractive index, Spectroscopy, Optical properties, Raman spectroscopy, Microwave radiation, FT-IR spectroscopy, Scattering

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Showing 5 of 35 publications

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