Prof. Michael E. Thomas
Principal staff at Johns Hopkins Univ
SPIE Involvement:
Conference Program Committee | Author | Instructor
Publications (83)

Proceedings Article | 13 May 2019
Proc. SPIE. 10985, Window and Dome Technologies and Materials XVI
KEYWORDS: Mid-IR, Visible radiation, Data modeling, Ultraviolet radiation, Crystals, Chemical vapor deposition, Infrared radiation, Scatter measurement, Surface finishing, Absorption

Proceedings Article | 13 May 2019
Proc. SPIE. 10985, Window and Dome Technologies and Materials XVI
KEYWORDS: Semiconductors, Oxides, Refractive index, Optical properties, Metals, Glasses, Computer programming, Refraction, Transmittance, Absorption

Proceedings Article | 13 May 2019
Proc. SPIE. 10985, Window and Dome Technologies and Materials XVI
KEYWORDS: Scattering, Crystals, Laser scattering, Reflectivity, Sapphire, Transmittance, Spinel, Laser beam diagnostics, Scatter measurement, Absorption

Proceedings Article | 4 September 2018
Proc. SPIE. 10750, Reflection, Scattering, and Diffraction from Surfaces VI
KEYWORDS: Diffraction, Refractive index, Optical spheres, Scattering, Particles, Mie scattering, Atmospheric particles, Absorption

Proceedings Article | 4 September 2018
Proc. SPIE. 10750, Reflection, Scattering, and Diffraction from Surfaces VI
KEYWORDS: Diffraction, Data modeling, Reflection, Scattering, Laser scattering, Reflectivity, Nondestructive evaluation, Bidirectional reflectance transmission function, Absorption

Showing 5 of 83 publications
Conference Committee Involvement (14)
Reflection, Scattering, and Diffraction from Surfaces VII
23 August 2020 | San Diego, California, United States
Window and Dome Technologies and Materials XVI
18 April 2019 | Baltimore, Maryland, United States
Reflection, Scattering, and Diffraction from Surfaces VI
20 August 2018 | San Diego, California, United States
Window and Dome Technologies and Materials XV
11 April 2017 | Anaheim, California, United States
Window and Dome Technologies and Materials XIV
22 April 2015 | Baltimore, Maryland, United States
Showing 5 of 14 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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