Dr. Agustin I. Ifarraguerri Profile

Dr. Agustin I. Ifarraguerri

Senior Scientist at Leidos Inc

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 28 May 2020

Optical design for an active standoff spectrometer with a broadband source

Agustin Ifarraguerri, N. Convers Wyeth, Brian Gorin

OE, Vol. 59, Issue 09, 092006, (May 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.9.092006

KEYWORDS: Sensors, Spectroscopy, Optical design, Receivers, Mirrors, Transmitters, Target detection, Collimation, Optical engineering, Reflectivity

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Proceedings Article | 21 February 2020 Paper

Scattering spectra from trace particles actively illuminated by a mid-infrared supercontinuum FTIR sensor

Ramon Martinez, Kaiwen Guo, Fred Terry, Tianqu Zhai, Mohammed Islam, Agustin Ifarraguerri

Proceedings Volume 11234, 112340V (2020) https://doi.org/10.1117/12.2550334

KEYWORDS: Particles, Scattering, FT-IR spectroscopy, Sensors, Mid-IR, Reflectivity

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Proceedings Article | 7 March 2019 Presentation + Paper

Stand-off FTIR spectroscopy utilizing a long-wave infrared supercontinuum source

Ramon Martinez, Kaiwen Guo, Tianqu Zhai, Fred Terry, Mohammed Islam, Lukasz Maksymiuk, Robert Maynard, Michael Freeman, Carl DeWilde, Agustin Ifarraguerri

Proceedings Volume 10897, 108971Q (2019) https://doi.org/10.1117/12.2513908

KEYWORDS: Particles, Sensors, FT-IR spectroscopy, Spectroscopy, Scattering, Infrared spectroscopy, Chemical analysis, Long wavelength infrared

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Proceedings Article | 13 June 2014 Paper

Tower testing of a 64W shortwave infrared supercontinuum laser for use as a hyperspectral imaging illuminator

Joseph Meola, Anthony Absi, Mohammed Islam, Lauren Peterson, Kevin Ke, Michael Freeman, Agustin Ifaraguerri

Proceedings Volume 9088, 90881A (2014) https://doi.org/10.1117/12.2056722

KEYWORDS: Short wave infrared radiation, Signal to noise ratio, Sensors, Turbulence, Infrared radiation, Hyperspectral imaging, Cameras, Data modeling, Shortwaves, Atmospheric modeling

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Proceedings Article | 18 May 2013 Paper

Modeling, development, and testing of a shortwave infrared supercontinuum laser source for use in active hyperspectral imaging

Joseph Meola, Anthony Absi, James Leonard, Agustin Ifarraguerri, Mohammed Islam, Vinay Alexander, Jerome Zadnik

Proceedings Volume 8743, 87431D (2013) https://doi.org/10.1117/12.2015940

KEYWORDS: Signal to noise ratio, Cameras, Short wave infrared radiation, Shortwaves, Infrared radiation, Radiometry, Sensors, Atmospheric modeling, Laser beam propagation, Infrared imaging

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Proceedings Article | 27 October 2010 Paper

The effect of turbulent temperature fluctuations on vapor detection by ground-based passive infrared sensors at near horizon line of sight

Avishai Ben-David, Agustin Ifarraguerri

Proceedings Volume 7827, 78270R (2010) https://doi.org/10.1117/12.864128

KEYWORDS: Sensors, Turbulence, Clouds, Stochastic processes, Atmospheric sensing, Atmospheric modeling, Infrared sensors, Atmospheric turbulence, Absorption, Transmittance

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Proceedings Article | 4 May 2010 Paper

Mid-infrared reflectance and transmittance measurements in the laboratory using field instruments

Andre Jackson, Bryan Nash, Agustin Ifarraguerri

Proceedings Volume 7687, 768709 (2010) https://doi.org/10.1117/12.855439

KEYWORDS: Reflectivity, Transmittance, Temperature metrology, Black bodies, Mid-IR, FT-IR spectroscopy, Calibration, Infrared radiation, Long wavelength infrared, Solids

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Proceedings Article | 14 December 2004 Paper

Biological aerosol detection with combined passive-active infrared measurements

Agustin Ifarraguerri, Richard Vanderbeek, Avishai Ben-David

Proceedings Volume 5584, (2004) https://doi.org/10.1117/12.578838

KEYWORDS: Sensors, Aerosols, LIDAR, Spectroscopy, Atmospheric particles, Atmospheric modeling, Target detection, Infrared radiation, Infrared sensors, Signal to noise ratio

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SPIE Journal Paper | 1 February 2003

Correlation spectroscopy with diffractive grating synthetic spectra and orthogonal subspace projection filters

Avishai Ben-David, Agustin Ifarraguerri, Alan Samuels

OE, Vol. 42, Issue 02, (February 2003) https://doi.org/10.1117/12.10.1117/1.1531638

KEYWORDS: Diffraction gratings, Sensors, Reflectivity, Diffraction, Magnesium, Clouds, Spectroscopy, Optical filters, Signal to noise ratio, Optical design

Proceedings Article | 7 February 2002 Paper

Ultra-high-sensitivity passive FTIR sensor (HiSPEC) and initial field results

Elliot Robert Schildkraut, Raymond Connors, Avishai Ben-David, Agustin Ifarraguerri

Proceedings Volume 4574, (2002) https://doi.org/10.1117/12.455162

KEYWORDS: Sensors, Telescopes, FT-IR spectroscopy, Calibration, Signal detection, Standoff detection, Spectral resolution, Biological detection systems, Spectroscopy, Data processing

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Proceedings Article | 7 February 2002 Paper

Chemical imaging system

James Jensen, Agustin Ifarraguerri, William Loerop, Winthrop Wadsworth, Jens-Peter Dybwad

Proceedings Volume 4574, (2002) https://doi.org/10.1117/12.455168

KEYWORDS: Sensors, Computing systems, Imaging systems, Imaging spectroscopy, Detection and tracking algorithms, Spectroscopy, Signal processing, Infrared radiation, Fourier transforms, Mirrors

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Proceedings Article | 20 August 2001 Paper

Chemical imaging system: current status and challenges

Agustin Ifarraguerri, James Jensen

Proceedings Volume 4381, (2001) https://doi.org/10.1117/12.437002

KEYWORDS: Sensors, Computing systems, Imaging systems, Imaging spectroscopy, Spectroscopy, Detection and tracking algorithms, Mirrors, Infrared radiation, Signal processing, Fourier transforms

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Proceedings Article | 15 December 2000 Paper

Aerosol emission for biological aerosol clouds: implications to passive IR remote sensing

Avishai Ben-David, James Jensen, Agustin Ifarraguerri, William Loerop

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406336

KEYWORDS: Clouds, Aerosols, Signal to noise ratio, Sensors, Atmospheric particles, Black bodies, Remote sensing, Infrared sensors, Information operations, Refractive index

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Proceedings Article | 27 October 1999 Paper

Chemical agent detection and quantification with imaging spectrometry

Agustin Ifarraguerri

Proceedings Volume 3753, (1999) https://doi.org/10.1117/12.366311

KEYWORDS: Sensors, Clouds, Long wavelength infrared, Imaging spectrometry, Chemical analysis, Standoff detection, Spectroscopy, Infrared spectroscopy, Spectral resolution

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Proceedings Article | 18 January 1999 Paper

Chemical cloud mapping and identification using convex cone analysis of AIRIS multispectral imaging data

Agustin Ifarraguerri, Christopher Gittins

Proceedings Volume 3533, (1999) https://doi.org/10.1117/12.336848

KEYWORDS: Chemical analysis, Absorption, Sensors, Clouds, Simulation of CCA and DLA aggregates, Black bodies, Multispectral imaging, Fabry–Perot interferometers, Imaging spectroscopy

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Proceedings Article | 4 December 1998 Paper

Target detection in hyperspectral images using projection pursuit with interference rejection

Agustin Ifarraguerri, Hsuan Ren, Chein-I Chang

Proceedings Volume 3500, (1998) https://doi.org/10.1117/12.331893

KEYWORDS: Hyperspectral imaging, Hyperspectral target detection, Target detection, Optical filters

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Proceedings Article | 2 July 1998 Paper

Projection pursuit analysis of hyperspectral scenes

Agustin Ifarraguerri, Chein-I Chang

Proceedings Volume 3372, (1998) https://doi.org/10.1117/12.312608

KEYWORDS: Principal component analysis, Hyperspectral imaging, Image segmentation, Image compression, Visual analytics, Visualization, Roads, Image processing, Image enhancement, Visual compression

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Showing 5 of 17 publications

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