Ms. Alison Carr Profile

Alison Carr

at Johns Hopkins Univ Applied Physics Lab

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 30 June 2009 Paper

Optimization of sensor resolution for standoff chemical detection

Joshua Broadwater, Alison Carr

Proceedings Volume 7304, 73040Q (2009) https://doi.org/10.1117/12.819266

KEYWORDS: Detection and tracking algorithms, Signal to noise ratio, Distortion, FT-IR spectroscopy, Chemical detection, Sensors, Standoff detection, Error analysis, Optical resolution, Hyperspectral imaging

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Proceedings Article | 15 May 2009 Paper

History of biological aerosol standoff detection at the Applied Physics Laboratory

P. Fuechsel, A. Carr, M. Thomas, J. Garten, C. Carter

Proceedings Volume 7304, 730408 (2009) https://doi.org/10.1117/12.818923

KEYWORDS: Sensors, Atmospheric modeling, LIDAR, Performance modeling, Clouds, Standoff detection, Backscatter, Particles, Aerosols, Atmospheric particles

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Proceedings Article | 8 May 2009 Paper

Water absorption in a refractive index model for bacterial spores

K. Siegrist, E. Thrush, M. Airola, A. Carr, D. Limsui, N. Boggs, M. Thomas, C. Carter

Proceedings Volume 7304, 73040C (2009) https://doi.org/10.1117/12.818863

KEYWORDS: Water, Particles, Refractive index, Scattering, Absorption, Barium, Humidity, Atmospheric particles, Visible radiation, Solids

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Proceedings Article | 21 April 2008 Paper

Extinction and backscatter cross sections of biological materials

M. Thomas, D. Hahn, A. Carr, D. Limsui, C. Carter, N. Boggs, J. Jackman

Proceedings Volume 6954, 69540Y (2008) https://doi.org/10.1117/12.777650

KEYWORDS: Refractive index, Atmospheric modeling, Data modeling, Aerosols, Backscatter, Silica, Oscillators, Thin films, Refraction, Ultraviolet radiation

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Proceedings Article | 21 April 2008 Paper

Refractive index measurement of biological particles in visible region

D. Limsui, A. Carr, M. Thomas, N. Boggs, R. Joseph

Proceedings Volume 6954, 69540X (2008) https://doi.org/10.1117/12.777648

KEYWORDS: Particles, Refraction, Refractive index, Water, Silica, Diffraction, Spectroscopy, Transmittance, Optical properties, Scattering

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Proceedings Article | 21 April 2008 Paper

Shape characteristics of biological spores

Daniel Hahn, Diane Limsui, Richard Joseph, Kevin Baldwin, Nathan Boggs, Alison Carr, Christopher Carter, Timothy Han, Michael Thomas

Proceedings Volume 6954, 69540W (2008) https://doi.org/10.1117/12.777637

KEYWORDS: Particles, Backscatter, Scattering, Atmospheric particles, Aerosols, Shape analysis, Computer simulations, Refraction, Numerical simulations, Optical spheres

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Proceedings Article | 21 April 2008 Paper

Detection of gas plumes in cluttered environments using long-wave infrared hyperspectral sensors

Joshua Broadwater, Thomas Spisz, Alison Carr

Proceedings Volume 6954, 69540R (2008) https://doi.org/10.1117/12.784707

KEYWORDS: Sensors, Buildings, Long wavelength infrared, Infrared sensors, Infrared radiation, Infrared imaging, Image filtering, Hyperspectral imaging, Image processing, Video

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Proceedings Article | 2 May 2007 Paper

Optical properties of Nd-doped and undoped polycrystalline YAG

Michael Thomas, Alison Carr, Diane Limsui, Jean Huie

Proceedings Volume 6545, 65450F (2007) https://doi.org/10.1117/12.720535

KEYWORDS: YAG lasers, Absorption, Crystals, Nd:YAG lasers, Optical properties, Transmittance, Mass attenuation coefficient, Data modeling, Neodymium, Sensors

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Proceedings Article | 27 April 2007 Paper

Field test results of standoff chemical detection using the FIRST

Thomas Spisz, Patricia Murphy, Christopher Carter, Alison Carr, Alexandre Vallières, Martin Chamberland

Proceedings Volume 6554, 655408 (2007) https://doi.org/10.1117/12.719677

KEYWORDS: Clouds, Sensors, Long wavelength infrared, Standoff detection, Spectral resolution, Detection and tracking algorithms, Absorption, Terbium, Optical filters, Infrared imaging

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Proceedings Article | 19 May 2006 Paper

Background data collection suite for atmospheric remote sensing applications

A. Lazarevich, D. Oursler, K. Baldwin

Proceedings Volume 6218, 621808 (2006) https://doi.org/10.1117/12.665486

KEYWORDS: Sensors, Radiometry, Long wavelength infrared, Environmental sensing, Calibration, Cameras, Human-machine interfaces, Atmospheric sensing, FT-IR spectroscopy, Data acquisition

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