Prof. Michael E. Thomas
Principal Staff at Johns Hopkins Univ Applied Physics Lab
SPIE Involvement:
Author | Instructor
Publications (88)

Proceedings Article | 12 September 2021 Presentation + Paper
Stuart Jackson, Raymond Sova, Michael Thomas
Proceedings Volume 11866, 118660K (2021) https://doi.org/10.1117/12.2598137
KEYWORDS: Wavefront distortions, Sapphire, Wavefronts, Point spread functions, Imaging systems, Wavefront sensors, Sensors, Carbon dioxide lasers

Proceedings Article | 12 April 2021 Presentation + Paper
M. Thomas, G. Hunt
Proceedings Volume 11740, 117400Y (2021) https://doi.org/10.1117/12.2587663
KEYWORDS: Crystals, Windows, Temperature metrology, Spectral models, Refractive index, Domes, Absorption

Proceedings Article | 20 August 2020 Presentation + Paper
M. Thomas, R. Joseph
Proceedings Volume 11485, 1148508 (2020) https://doi.org/10.1117/12.2570530
KEYWORDS: Polarization, Particles, Atmospheric particles, Spherical lenses, Diffraction, Atmospheric modeling, Refractive index, Optical spheres, Electromagnetic radiation

SPIE Journal Paper | 12 August 2020
Jessica Ma, Michael Thomas, Patricia McGuiggan, James Spicer
OE, Vol. 59, Issue 08, 087101, (August 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.8.087101
KEYWORDS: Absorption, Scattering, Sapphire, Surface finishing, Particles, Crystals, Data modeling, Optical engineering, Laser scattering

Proceedings Article | 8 May 2020 Presentation + Paper
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

Showing 5 of 88 publications
Conference Committee Involvement (16)
Window and Dome Technologies and Materials XVIII
13 April 2025 | Orlando, Florida, United States
Window and Dome Technologies and Materials XVII
4 May 2023 | Orlando, Florida, United States
Reflection, Scattering, and Diffraction from Surfaces VII
24 August 2020 | Online Only, California, United States
Window and Dome Technologies and Materials XVI
18 April 2019 | Baltimore, MD, United States
Reflection, Scattering, and Diffraction from Surfaces VI
20 August 2018 | San Diego, California, United States
Showing 5 of 16 Conference Committees
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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