Dr. David M. Brown Profile

Dr. David M. Brown

EO/IR Engineer at Johns Hopkins Univ Applied Physics Lab

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 12 September 2021 Presentation

Accurate and efficient modeling of the transverse mode instability in high-energy laser amplifiers using the phase-matched model

Curtis Menyuk, Joshua Young, Jonathan Hu, Andrew Goers, David Brown, Michael Dennis

Proceedings Volume 11867, 118670B (2021) https://doi.org/10.1117/12.2603809

KEYWORDS: Laser amplifiers, Wave propagation, Fiber amplifiers, Optical amplifiers, Numerical simulations, Laser development, Acoustics

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SPIE Journal Paper | 18 January 2021 Open Access

Range-gated active short-wave infrared imaging for rain penetration

Adam Willitsford, David Brown, Kevin Baldwin, Randall Hanna, Lindsey Marinello

OE, Vol. 60, Issue 01, 013103, (January 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.1.013103

KEYWORDS: Imaging systems, Transmittance, Visibility, Short wave infrared radiation, Infrared imaging, Pulsed laser operation, Meteorology, Signal attenuation, Optical engineering, Crystals

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Proceedings Article | 8 May 2020 Presentation + Paper

Modeling and measurements using polarimetric lidar

Andrea Brown, Michael Thomas, David Brown, Richard Joseph, Rebecca Eager, Jessica Makowski, Randall Hanna, Nicole Steiner, Diane Tang, Christopher Carter

Proceedings Volume 11416, 114160D (2020) https://doi.org/10.1117/12.2559128

KEYWORDS: Aerosols, LIDAR, Atmospheric particles, Clouds, Particles, Atmospheric modeling, Polarimetry, Polarization

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Proceedings Article | 14 May 2019 Paper

Measuring optical turbulence using a laser DIMM in support of characterization of imaging system performance

Randall Hanna, David Brown, Andrea Brown, Kevin Baldwin, Jonathan Hixson

Proceedings Volume 11001, 1100110 (2019) https://doi.org/10.1117/12.2520597

KEYWORDS: Data modeling, Turbulence, Receivers, Atmospheric modeling, Transmitters, Retroreflectors, Imaging systems, Near field optics, Scintillation, Optical turbulence

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Proceedings Article | 4 May 2018 Paper

Initial test of MITA/DIMM with an operational CBP system

Kevin Baldwin, Randall Hanna, Andrea Brown, David Brown, Steven Moyer, Jonathan Hixson

Proceedings Volume 10625, 106250J (2018) https://doi.org/10.1117/12.2314659

KEYWORDS: Modulation transfer functions, Receivers, Turbulence, Sensors, Imaging systems, Cameras, Atmospheric modeling, Image processing, Atmospheric turbulence, Fiber optic illuminators

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SPIE Journal Paper | 3 September 2014 Open Access

Measurement of atmospheric oxygen using long-path supercontinuum absorption spectroscopy

David Brown, Andrea Brown, Perry Edwards, Zhiwen Liu, C. Russell Philbrick

JARS, Vol. 8, Issue 01, 083557, (September 2014) https://doi.org/10.1117/12.10.1117/1.JRS.8.083557

KEYWORDS: Oxygen, Absorption, Absorption spectroscopy, Spectroscopic atmospheric monitoring techniques, Atmospheric laser remote sensing, Atmospheric sensing, Supercontinuum sources, Algorithm development, Atmospheric optics, Optical filters

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Proceedings Article | 29 May 2014 Paper

FTIR characterization of atmospheric fluctuations along slant paths

C. Martin, D. Brown, M. Thomas, S. Strong, Michele Lohr

Proceedings Volume 9071, 907117 (2014) https://doi.org/10.1117/12.2050644

KEYWORDS: FT-IR spectroscopy, Turbulence, Sensors, Black bodies, Mid-IR, Data modeling, Infrared sensors, Temperature metrology, Refractive index, Atmospheric modeling

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Proceedings Article | 29 May 2013 Paper

Models to support active sensing of biological aerosol clouds

Andrea Brown, Jeffrey Kalter, Elizabeth Corson, Zahra Chaudhry, Nathan Boggs, David Brown, Michael Thomas, Christopher Carter

Proceedings Volume 8710, 871013 (2013) https://doi.org/10.1117/12.2016324

KEYWORDS: Atmospheric modeling, Aerosols, LIDAR, Backscatter, Refractive index, Clouds, Particles, Atmospheric particles, Scattering, Thin films

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Proceedings Article | 17 May 2013 Paper

Strehl ratio simulation results under strong turbulence conditions for actively compensated free-space optical communication systems

Juan Juarez, David Brown, David Young

Proceedings Volume 8732, 873207 (2013) https://doi.org/10.1117/12.2018965

KEYWORDS: Turbulence, Wavefronts, Systems modeling, Adaptive optics, Atmospheric propagation, Wave propagation, Free space optical communications, Atmospheric turbulence, Optical simulations, Ions

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Proceedings Article | 3 June 2011 Paper

Ground truth methods for optical cross-section modeling of biological aerosols

J. Kalter, E. Thrush, J. Santarpia, Z. Chaudhry, J. Gilberry, D. Brown, A. Brown, C. Carter

Proceedings Volume 8018, 801805 (2011) https://doi.org/10.1117/12.883314

KEYWORDS: Luminescence, Atmospheric particles, Particles, Clouds, Aerosols, Atmospheric modeling, LIDAR, Atrial fibrillation, Aerodynamics, Backscatter

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Proceedings Article | 2 September 2010 Paper

Optical material characterization through BSDF measurement and analysis

Andrea Brown, Daniel Hahn, Michael Thomas, David Brown, Jessica Makowski

Proceedings Volume 7792, 779211 (2010) https://doi.org/10.1117/12.861499

KEYWORDS: Bidirectional reflectance transmission function, Reflectivity, Scattering, Sensors, Reflection, Visible radiation, Applied physics, Scatter measurement, Metals, Transmittance

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Proceedings Article | 5 May 2010 Paper

Backscatter and depolarization measurements of aerosolized biological simulants using a chamber lidar system

David Brown, Evan Thrush, Michael Thomas, Josh Santarpia, Jason Quizon, Christopher Carter

Proceedings Volume 7665, 766506 (2010) https://doi.org/10.1117/12.850361

KEYWORDS: LIDAR, Aerosols, Calibration, Backscatter, Atmospheric modeling, Sensors, Atmospheric particles, Particles, Silicon, Receivers

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Proceedings Article | 5 May 2010 Paper

Optical properties and cross-sections of biological aerosols

E. Thrush, D. Brown, N. Salciccioli, J. Gomes, A. Brown, K. Siegrist, M. Thomas, N. Boggs, C. Carter

Proceedings Volume 7665, 766507 (2010) https://doi.org/10.1117/12.850464

KEYWORDS: Particles, Backscatter, Atmospheric particles, Absorption, Atmospheric modeling, Aerosols, Ultraviolet radiation, Long wavelength infrared, Refractive index, LIDAR

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Proceedings Article | 8 May 2009 Paper

Chamber LIDAR measurements of aerosolized biological simulants

David Brown, Evan Thrush, Michael Thomas, Karen Siegrist, Kevin Baldwin, Jason Quizon, Christopher Carter

Proceedings Volume 7304, 73040A (2009) https://doi.org/10.1117/12.818947

KEYWORDS: LIDAR, Aerosols, Sensors, Backscatter, Scattering, Atmospheric particles, Receivers, Telescopes, Near field optics, Calibration

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Proceedings Article | 2 May 2009 Paper

Supercontinuum laser sensing of atmospheric constituents

Perry Edwards, Andrea Wyant, David Brown, Zhiwen Liu, C. Russell Philbrick

Proceedings Volume 7323, 73230S (2009) https://doi.org/10.1117/12.818697

KEYWORDS: Absorption, Atmospheric sensing, Oxygen, LIDAR, Absorption spectroscopy, Atmospheric optics, Error analysis, Supercontinuum sources, Spectroscopy, Transmittance

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Proceedings Article | 2 May 2009 Paper

Multi-wavelength multi-angular lidar for aerosol characterization

Andrea Wyant, David Brown, Perry Edwards, C. Russell Philbrick

Proceedings Volume 7323, 73230R (2009) https://doi.org/10.1117/12.818686

KEYWORDS: Aerosols, Scattering, Laser scattering, Polarization, LIDAR, Atmospheric particles, Light scattering, Imaging systems, Charge-coupled devices, Diffraction gratings

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SPIE Journal Paper | 1 May 2008

Applications of real-world gas detection: Airborne Natural Gas Emission Lidar (ANGEL) system

Darryl Murdock, Steven Stearns, R. Todd Lines, Dawn Lenz, David Brown, C. Russell Philbrick

JARS, Vol. 2, Issue 01, 023518, (May 2008) https://doi.org/10.1117/12.10.1117/1.2937078

KEYWORDS: Methane, Sensors, Liquids, Detection and tracking algorithms, Reflectivity, LIDAR, Data processing, Absorption, Algorithm development, Video

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Proceedings Article | 16 April 2008 Paper

Supercontinuum lidar applications for measurements of atmospheric constituents

David Brown, Zhiwen Liu, C. Russell Philbrick

Proceedings Volume 6950, 69500B (2008) https://doi.org/10.1117/12.778255

KEYWORDS: Absorption, Signal to noise ratio, LIDAR, Atmospheric laser remote sensing, Oxygen, Atmospheric optics, Supercontinuum sources, Algorithm development, Data processing, Computer simulations

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Showing 5 of 18 publications

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