Dr. Andrea M. Brown
Engineer at Johns Hopkins Univ Applied Physics Lab LLC
SPIE Involvement:
Author | Instructor
Publications (18)

Proceedings Article | 8 May 2020 Presentation + Paper
Proc. SPIE. 11416, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXI
KEYWORDS: Polarization, LIDAR, Aerosols, Particles, Polarimetry, Clouds, Atmospheric particles, Atmospheric modeling

Proceedings Article | 14 May 2019 Paper
Proc. SPIE. 11001, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXX
KEYWORDS: Transmitters, Retroreflectors, Data modeling, Imaging systems, Receivers, Turbulence, Scintillation, Optical turbulence, Atmospheric modeling, Near field optics

Proceedings Article | 4 May 2018 Paper
Proc. SPIE. 10625, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXIX
KEYWORDS: Imaging systems, Cameras, Sensors, Image processing, Receivers, Turbulence, Modulation transfer functions, Atmospheric turbulence, Atmospheric modeling, Fiber optic illuminators

Proceedings Article | 13 May 2016 Paper
Proc. SPIE. 9833, Atmospheric Propagation XIII
KEYWORDS: Polarization, Laser development, Receivers, Control systems, Telecommunications, Turbulence, Free space optics, Scintillation, Forward error correction, Data communications

Proceedings Article | 22 May 2015 Paper
Proc. SPIE. 9453, Window and Dome Technologies and Materials XIV
KEYWORDS: Near infrared, Refractive index, Optical spheres, Data modeling, Backscatter, Sensors, Particles, Crystals, YAG lasers, Signal detection

Showing 5 of 18 publications
Conference Committee Involvement (2)
Reflection, Scattering, and Diffraction from Surfaces IV
17 August 2014 | San Diego, California, United States
Reflection, Scattering, and Diffraction from Surfaces III
14 August 2012 | San Diego, California, United States
Course Instructor
SC1107: IR Atmospheric Propagation for Sensor Systems
This course reviews the fundamental principles and applications concerning absorption, refraction and scattering phenomena in the atmosphere that impact infrared sensor performance. Topics include an introduction to atmospheric structure, a background reviewing the basic formulas concerning the complex index of refraction, a survey of molecular absorption bands and continuum absorption, the HITRAN database, atmospheric refractivity, molecular Rayleigh scattering, particle distribution functions, Mie scattering and anomalous diffraction approximation. This background is applied to atmospheric transmittance, path radiance, imaging systems and path fluctuations with examples from field measurements. These topics are further reinforced by practical examples on atmospheric optics whenever possible. A set of contemporary references is provided.
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