Mr. James R. Engel Profile

James R. Engel

President

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 3 September 2015 Paper

Risley prism universal pointing system (RPUPS)

John Dixon, James Engel, Robert Vaillancourt, Craig Schwarze, Kevin Potter

Proceedings Volume 9579, 95790B (2015) https://doi.org/10.1117/12.2188088

KEYWORDS: Prisms, Sensors, Imaging systems, Cameras, Tablets, Visible radiation, Beam steering, Laser spectroscopy, LIDAR, Data acquisition

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Proceedings Article | 3 June 2015 Paper

Modular reconfigurable matched spectral filter spectrometer

Elizabeth Schundler, James Engel, Thomas Gruber, Robert Vaillancourt, Ryan Benedict-Gill, David Mansur, John Dixon, Kevin Potter, Scott Newbry

Proceedings Volume 9482, 94820T (2015) https://doi.org/10.1117/12.2177727

KEYWORDS: Sensors, Mid-IR, Long wavelength infrared, Digital micromirror devices, Optical filters, Spectral resolution, Spectroscopy, Signal to noise ratio, Sulfur, Gases

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Proceedings Article | 21 May 2014 Paper

Fourier transform infrared phase shift cavity ring down spectrometer

Elizabeth Schundler, David Mansur, Robert Vaillancourt, Ryan Benedict-Gill, Scott Newbry, James Engel, Julia Rentz Dupuis

Proceedings Volume 9101, 910103 (2014) https://doi.org/10.1117/12.2049147

KEYWORDS: Signal to noise ratio, FT-IR spectroscopy, Sensors, Mirrors, Interference (communication), Phase shifts, Modulation, Modulators, Signal detection, Absorption

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Proceedings Article | 29 May 2013 Paper

Fourier transform infrared phase shift cavity ring down spectrometer

Elizabeth Schundler, David Mansur, Robert Vaillancourt, Ryan Benedict-Gill, Scott Newbry, James Engel, Julia Rentz Dupuis

Proceedings Volume 8726, 87260Z (2013) https://doi.org/10.1117/12.2014392

KEYWORDS: Sensors, Signal to noise ratio, Mirrors, FT-IR spectroscopy, Signal detection, Modulation, Phase shifts, Interference (communication), Coating, Absorption

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Proceedings Article | 18 May 2012 Paper

High-speed resonant FTIR spectrometer

Julia Rentz Dupuis, David Carlson, David Mansur, Scott Newbry, Robert Vaillancourt, James Engel, Bradley Engel

Proceedings Volume 8374, 83740U (2012) https://doi.org/10.1117/12.917319

KEYWORDS: Mirrors, Signal to noise ratio, Interferometers, Sensors, Prototyping, Spectroscopy, Spectral resolution, FT-IR spectroscopy, Interference (communication), Modulation

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Proceedings Article | 18 May 2012 Paper

Fourier transform infrared phase shift cavity ring down spectrometer

Julia Rentz Dupuis, James Engel

Proceedings Volume 8374, 837410 (2012) https://doi.org/10.1117/12.917318

KEYWORDS: Mirrors, FT-IR spectroscopy, Phase shifts, Spectroscopy, Modulators, Phase measurement, Modulation, Absorption, Sensors, Confocal microscopy

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Proceedings Article | 12 May 2011 Paper

High-speed resonant FTIR spectrometer

Julia Rentz Dupuis, David Carlson, David Mansur, Thomas Evans, Robert Vaillancourt, James Engel, Bradley Engel

Proceedings Volume 8032, 80320V (2011) https://doi.org/10.1117/12.882801

KEYWORDS: Sensors, Mirrors, Spectroscopy, Interferometers, FT-IR spectroscopy, Signal detection, Spectral resolution, Apodization, Aluminum, Modulation

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Proceedings Article | 28 April 2010 Paper

High-speed resonant FTIR spectrometer

Julia Rentz Dupuis, David Carlson, James Engel, Bradley Engel

Proceedings Volume 7680, 76800S (2010) https://doi.org/10.1117/12.848775

KEYWORDS: Mirrors, Signal to noise ratio, Spectroscopy, Interferometers, Sensors, Spectral resolution, FT-IR spectroscopy, Infrared spectroscopy, Finite element methods, Actuators

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Proceedings Article | 16 April 2008 Paper

Imaging open-path Fourier transform infrared spectrometer for 3D cloud profiling

Julia Rentz Dupuis, David Mansur, James Engel, Robert Vaillancourt, Lori Todd, Kathleen Mottus

Proceedings Volume 6954, 69540N (2008) https://doi.org/10.1117/12.778462

KEYWORDS: Optical fibers, Interferometers, Tomography, Sensors, Spectroscopy, Infrared spectroscopy, Retroreflectors, Signal to noise ratio, Telescopes, FT-IR spectroscopy

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Proceedings Article | 4 October 2007 Paper

Hyperspectral Fourier transform spectrometer for spectral self-interference measurements of biological material on surfaces

Julia Dupuis, I. Emre Ozkumur, David Bergstein, James Needham, Anna Swan, Bennett Goldberg, Michael Ruane, M. Selim Unlu, James Engel, David Carlson

Proceedings Volume 6759, 675904 (2007) https://doi.org/10.1117/12.733203

KEYWORDS: Fourier transforms, Mirrors, Interferometers, Signal to noise ratio, Spectroscopy, Luminescence, Microscopy, Reflectance spectroscopy, CCD cameras, Biomedical optics

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Proceedings Article | 2 October 2007 Paper

Imaging open-path Fourier transform infrared spectrometer for 3D cloud profiling

Julia Dupuis, David Mansur, James Engel, Robert Vaillancourt, Lori Todd, Kathleen Mottus

Proceedings Volume 6756, 675609 (2007) https://doi.org/10.1117/12.732519

KEYWORDS: Retroreflectors, Sensors, Fluctuations and noise, Spectroscopy, Tomography, Signal to noise ratio, Clouds, Profiling, FT-IR spectroscopy, Modulators

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Proceedings Article | 10 May 2005 Paper

Performance requirements for the laser event recorder

Jerri Tribble, James Sheehy, Craig Schwarze, Robert Vaillancourt, Dave Carlson, James Engel

Proceedings Volume 5787, (2005) https://doi.org/10.1117/12.604759

KEYWORDS: Line edge roughness, Laser safety, Pulsed laser operation, Calibration, Sensors, Laser applications, Prototyping, Injuries, Safety, Eye

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Proceedings Article | 10 May 2005 Paper

Ground and air test performance of the laser event recorder

Craig Schwarze, Robert Vaillancourt, David Carlson, James Engel, Jerri Tribble, James Sheehy

Proceedings Volume 5787, (2005) https://doi.org/10.1117/12.604755

KEYWORDS: Line edge roughness, Prototyping, Pulsed laser operation, Laser safety, Sensors, Global Positioning System, Laser sources, Laser development, Warfare, Fourier transforms

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Proceedings Article | 30 August 2004 Paper

Laser event recorder

Craig Schwarze, Robert Vaillancourt, David Carlson, Michael Hercher, James Engel

Proceedings Volume 5409, (2004) https://doi.org/10.1117/12.562921

KEYWORDS: Sensors, Charge-coupled devices, Pulsed laser operation, Digital signal processing, CCD image sensors, Diffraction gratings, Laser safety, Global Positioning System, Laser sources, Line edge roughness

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Proceedings Article | 8 March 2004 Paper

Low-cost OP-FTIR spectrometer for workplace monitoring

Julia Rentz, James Engel, David Carlson, David Mansur, Robert Vaillancourt, George Genetti, Peter Griffiths, Husheng Yang

Proceedings Volume 5272, (2004) https://doi.org/10.1117/12.514059

KEYWORDS: Spectroscopy, Algorithm development, Evolutionary algorithms, Detection and tracking algorithms, Molecules, Molecular electronics, FT-IR spectroscopy, Infrared spectroscopy, Sensors, Metrology

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Proceedings Article | 27 February 2004 Paper

FTIR modulator for first responder applications

James Engel, Julia Rentz, David Carlson

Proceedings Volume 5268, (2004) https://doi.org/10.1117/12.516174

KEYWORDS: Mirrors, Modulators, Sensors, FT-IR spectroscopy, Staring arrays, Interferometers, Standoff detection, Semiconductor lasers, Germanium, Telescopes

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Proceedings Article | 7 February 2002 Paper

Tunable Fabry-Perot filter for imaging spectroscopy in the infrared

Craig Schwarze, Julia Rentz, David Carlson, Robert Vaillancourt, George Genetti, James Engel

Proceedings Volume 4574, (2002) https://doi.org/10.1117/12.455154

KEYWORDS: Fabry–Perot interferometers, Sensors, Imaging systems, Staring arrays, Infrared spectroscopy, Optical filters, Infrared radiation, Spectral resolution, Reflectivity, Mirrors

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Proceedings Article | 10 February 1995 Paper

Offset scanning and field widening: maintaining the radiometric performance of a Fourier transform spectrometer (FTS) with high spectral discrimination capability

James Engel, Rick Dorval

Proceedings Volume 2366, (1995) https://doi.org/10.1117/12.205559

KEYWORDS: Interferometers, Mirrors, Fourier transforms, Spectrometers, Sensors, Modulation, Wavefronts, Signal to noise ratio, Spectral resolution, Feature extraction

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Proceedings Article | 19 January 1995 Paper

Interferometric radiometer for continuous multicomponent monitoring

James Engel, James Connolly

Proceedings Volume 2367, (1995) https://doi.org/10.1117/12.199661

KEYWORDS: Fourier transforms, Mirrors, Phase measurement, Radiometry, Spectroscopy, Sensors, Interferometry, Chemical analysis, Process control, Light

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Proceedings Article | 17 October 1994 Paper

Fourier transform spectrometer (FTS) systems with diode-based referencing and autoalignment capabilities

James Engel, Rick Dorval

Proceedings Volume 2269, (1994) https://doi.org/10.1117/12.188695

KEYWORDS: Semiconductor lasers, Sensors, Spectroscopy, Fourier transforms, Infrared technology, Mirrors, Helium neon lasers, Interferometers, Infrared sensors, Detector arrays

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Proceedings Article | 22 January 1993 Paper

Dynamic interferometer alignment and its utility in UV Fourier transform spectrometer systems

Rick Dorval, James Engel, Geert Wijntjes

Proceedings Volume 1764, (1993) https://doi.org/10.1117/12.140859

KEYWORDS: Ultraviolet radiation, Mirrors, Semiconductor lasers, Sensors, Optical alignment, Spectroscopy, Interferometers, Signal detection, Fourier transforms, Metrology

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Showing 5 of 21 publications

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