Dr. William R. Folks Profile

Dr. William R. Folks

Research Physicist at US Army Engineer Research and Development Ctr

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Author

Publications (9)

Proceedings Article | 13 May 2016 Paper

Applications of signal multiplexing in fiber optic-based acoustic and seismic sensors

R. Costley, William Folks, Clay Kirkendall, Gustavo Galan-Comas, Eric Smith, Michael Parker, Kent Hathaway

Proceedings Volume 9834, 98340X (2016) https://doi.org/10.1117/12.2223211

KEYWORDS: Multiplexing, Sensors, Acoustics, Seismic sensors, Fiber optics sensors, Fiber optics, Signal to noise ratio, Signal processing, Optical fibers, Optical fiber cables

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Proceedings Article | 23 May 2011 Paper

Coaxial line measurement and analysis of electromagnetic properties of soils for sensor applications

William Folks, Ryan North, Julie Kelley, Amy Cunningham, Jason McKenna

Proceedings Volume 8017, 80170W (2011) https://doi.org/10.1117/12.883676

KEYWORDS: Soil science, Dielectrics, Magnetism, Neodymium, Sensors, Mineralogy, General packet radio service, Land mines, Target detection, Electromagnetism

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Proceedings Article | 29 April 2010 Paper

Development of an integrated soils laboratory for modeling and detection applications

William Folks, Ryan North, Lillian Wakeley, Samuel Jackson, Julie Kelley, Ray Castellane, Jason McKenna

Proceedings Volume 7664, 766420 (2010) https://doi.org/10.1117/12.850157

KEYWORDS: Magnetism, Soil science, Minerals, Data modeling, Databases, FT-IR spectroscopy, Improvised explosive devices, Electromagnetism, Mineralogy, Land mines

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Proceedings Article | 14 May 2007 Paper

First THz and IR characterization of nanometer-scaled antenna-coupled InGaAs/InP Schottky-diode detectors for room temperature infrared imaging

H. Kazemi, K. Shinohara, G. Nagy, W. Ha, B. Lail, E. Grossman, G. Zummo, W. Folks, J. Alda, G. Boreman

Proceedings Volume 6542, 65421J (2007) https://doi.org/10.1117/12.718887

KEYWORDS: Terahertz radiation, Sensors, Antennas, Polarization, Infrared imaging, Infrared sensors, Long wavelength infrared, Resistance, Diodes, Etching

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Proceedings Article | 8 February 2007 Paper

Scanning Fabry-Perot filter for terahertz spectroscopy based on silicon dielectric mirrors

Justin Cleary, Chris Fredricksen, Andrei Muravjov, Jasen Enz, Maxim Dolguikh, Todd Du Bosq, Robert Peale, William Folks, Sidhartha Pandey, Glenn Boreman, Oliver Edwards

Proceedings Volume 6472, 64720E (2007) https://doi.org/10.1117/12.700718

KEYWORDS: Mirrors, Fabry–Perot interferometers, Silicon, Reflectivity, Absorption, Dielectric mirrors, Spectroscopy, Dielectric filters, Transmittance, Optical filters

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SPIE Journal Paper | 1 August 2005

Characterization of digital-micromirror device-based infrared scene projector

William Folks, José López-Alonso, Brian Monacelli, Arthur Weeks, Guy Zummo, Daniel Mullaly, Glenn Boreman

OE, Vol. 44, Issue 08, 086402, (August 2005) https://doi.org/10.1117/12.10.1117/1.2013249

KEYWORDS: Modulation transfer functions, Cameras, Long wavelength infrared, Projection systems, Mid-IR, Digital micromirror devices, Infrared imaging, 3D modeling, Infrared radiation, Staring arrays

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Proceedings Article | 20 May 2005 Paper

Liquid crystal on silicon infrared scene projectors

Teresa Ewing, William Folks

Proceedings Volume 5785, (2005) https://doi.org/10.1117/12.606462

KEYWORDS: Liquid crystals, Liquid crystal on silicon, Modulation transfer functions, LCDs, Infrared radiation, Mid-IR, Absorption, Glasses, Spatial frequencies, Projection systems

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Proceedings Article | 4 August 2004 Paper

DMD-based infrared scene projection: comparison of MWIR and LWIR modulation transfer function

William Folks, Daniel Mullally, Guy Zummo, Arthur Weeks, Glenn Boreman

Proceedings Volume 5408, (2004) https://doi.org/10.1117/12.542749

KEYWORDS: Modulation transfer functions, Long wavelength infrared, Mid-IR, Digital micromirror devices, Projection systems, Infrared radiation, Infrared imaging, Cameras, Diffraction, Modulation

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Proceedings Article | 4 April 1994 Paper

Surface anchoring and growth pattern of the first-order structural transition in a smectic A liquid crystal

Zili Li, W. Folks, Oleg Lavrentovich

Proceedings Volume 2175, (1994) https://doi.org/10.1117/12.172125

KEYWORDS: Shape memory alloys, Liquid crystals, Molecules, Anisotropy, Dielectrics, Interfaces, Information operations, Electrodes, Microscopes, Transform theory

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Showing 5 of 9 publications

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