|Credentials of William
H. Southwell, Ph.D.
BS Physics Brigham Young University Provo, Utah, USA
PhD Physics Brigham Young University Provo, Utah, USA
Professor of Physics South Dakota School of Mines, Rapid City, SD
Optical Design and Analysis Owens-Illinois, Pittsburgh, PA
Laser Physicist Rockwell International, Southern California
Dr. Southwell has taught graduate and undergraduate
courses in Optics, Quantum Mechanics, Math-Physics and General Physics.
His specialty is numerical modeling of physical systems particularly
the propagation of light and optical systems. He has developed a method
of measuring the gravitational constant using pendulums using Fourier
Analysis. He has worked on the problem of fitting experimental data
to models where all variables have uncertainty. He has written computer
programs for curve-fitting and optimization, optical ray-tracing,
diffraction analysis, binary optics, and optical laser resonator analysis.
Some of his research was concerned with planar optical waveguides,
including geodesic lenses, gradient-index lenses, and the coupling
of multiple diode lasers to a single mode fiber for optical communications.
He developed the virtual source theory for unstable laser resonators.
He was involved in the development of gradient-index optical interference
coatings, including broad band antireflection coatings and thin film
phase retarders. He is the author of the flip-flop optical coating
design process and other developments leading to what is called digital
thin films. Starting from basic principles he developed the coupled-wave
theory of optical thin films, which enables the rapid evaluation of
the reflectance of rugate filters.
Patents and Publications
Dr. Southwell holds 27 US Patents and has authored over 60 papers
published in international journals. He has delivered numerous papers
at national and international conferences. He has served as Associate
Editor of Applied Optics Journal and the Journal of the Optical Society
of America. Click on a coresponding link to view a complete list
of patents or publications.
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