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 Expert  716360

Expert in Glow Discharge Plasmas, Lasers

Available for your Consulting and Expert Witness Needs

Wisconsin (WI)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

LAMPS; LIGHTING; FLUORESCENT LAMP; HIGH INTENSITY DISCHARGE LAMPS. Expert is currently leading a university research project in collaboration with and funded by the Electric Power Research Institute (EPRI) and Osram-Sylvania Inc. This work regards fundamental problems related to new types of fluorescent lighting. His research with the EPRI and Osram-Sylvania is nonproprietary and he is willing to consult in this area.

fluorescent lamp


fluorescent lighting system


high-intensity discharge lamp

Expert is an atomic physicist and a leading expert on the spectroscopy of low temperature (non-Fusion) plasmas for lighting and other applications. His current research interests include development of advanced diagnostic and modeling techniques for such plasmas. His diagnostic work involves a variety of laser and synchrotron radiation techniques spanning the electromagnetic spectrum from the Infrared to Visible to Ultraviolet to X-ray regions. His modeling of low temperature or weakly ionized plasmas usually emphasizes kinetic theory approaches. His recent work has focused on radiation transport issues. He is also active in basic atomic spectroscopy, specifically in the development and application of advanced techniques to measure atomic transition probabilities needed for quantitative spectroscopy.

atomic physics

Expert has worked closely with major lighting companies including Philips, Osram Sylvania, and General Electric on metal halide high intensity discharge lamps. His primary expertise is in diagnosing these lamps. He is particularly interested in understanding and controlling infrared losses from such lamps.

metal halide lamp

LOW TEMPERATURE PLASMA PHYSICS. Expert studies glow discharge plasmas. These glow discharges are used as sources of coherent (laser) and incoherent light, for the plasma processing of materials and for other applications. He is one of the leading experts on the physics of glow discharges, especially on the sheaths (or boundary regions) of these discharges. He has published many papers in this area, and he has won a major prize from the American Physical Society and received the International Penning Award for his research.

low-temperature plasma


plasma diagnostics

ULTRAVIOLET SPECTROSCOPY; ULTRAVIOLET RADIATION. Expert has more than 15 years of experience as leader of a major university research effort on ultraviolet spectroscopy. He has published more than 50 papers in this area. He is familiar with almost all aspects of generating, controlling, and detecting ultraviolet radiation.

ultraviolet spectroscopy


ultraviolet radiation energy

TUNABLE LASERS; PULSED LASERS. Expert has approximately 20 years of experience with tunable dye lasers. He has helped design commercial dye lasers. He uses pulsed dye lasers pumped by N2, excimer, and Nd:Yag lasers. He also uses a continuous dye laser pumped by Argon ion lasers. He is intimately familiar with pulsed laser technologies.

tunable laser


pulsed laser

DISCHARGE LAMP; GAS DISCHARGE TUBE; GLOW DISCHARGE. Expert is a leading expert on the physics of glow discharges. His work on diagnosing and modeling glow discharges has received much attention worldwide. He has developed highly innovative laser diagnostics of glow discharge, and he has contributed to the development of kinetic theory models of discharges.

discharge lamp


gas discharge tube


glow discharge

LASER-INDUCED FLUORESCENCE; FLUORESCENCE. Expert has used laser-induced fluorescence as a plasma diagnostic and for basic spectroscopy. He has published more than 50 papers involving laser-induced fluorescence.

laser-induced fluorescence

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Milwaukee, Wisconsin;  Madison, Wisconsin;  Kenosha, Wisconsin;  Racine, Wisconsin;  Rockford, Illinois;  Aurora, Illinois;  Elgin, Illinois;  Waukegan, Illinois;  Arlington Heights, Illinois;  and Schaumburg, Illinois.

Year   Degree   Subject   Institution  
1978   PhD   Physics   Expert's University, Madison  
1974   MS   Physics   Expert's University, Madison  
1973   BS   Physics   University of Missouri, Rolla  

Work History:
Years   Employer   Department   Title   Responsibilities

1999 to


Expert's University, Madison




Arthur & Aurelia Schawlow Professor of Physics


He does research, lectures, and supervises research students, post docs, and scientists.

1989 to


(Undisclosed University)






1985 to 1989


Expert's University, Madison



Associate Professor of Physics


1980 to 1985


Expert's University, Madison



Assistant Professor of Physics


1978 to 1980


Stanford University



Research Associate


Career Accomplishments:

Expert was a member of the National Research Council - N.I.S.T. Panel for Atomic, Molecular, and Optical Physics and the National Research Council Panel on Plasma Processing of Materials.

Selected Publications and Publishers  
 - Journal of Physics D  
 - Plasma, Sources, Science, and Technology  
 - Journal of Physics D: Applied Physics  

Consulting Services:
Selected Consulting Examples:
  • The General Electric Company funded work by Expert's research group at the Expert's University. They collaborated with the group on many activities.
  • Osram Sylvania Inc. funded work by Expert's research group at the Expert's University. They collaborated with the group on many activities.
  • Philips Lighting funded (jointly with the Electric Power Research Institute) work by Expert's research group at the Expert's University. Philips collaborated with the group on many activities.
Recent Client Requests:
  • Glow discharge expert for consulting on flash lamp development.
  • Plasma tube expert for consulting on Manufacture of Plasma tubes.
  • Expert in laser system development for consulting on correct equipment for galvanized coil laser processing system.
  • Expert in engineering for consulting on impact on neon bulb related to over drive of current on neon lamp and provide technical consulting of possible change of glow position.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
He has served a technical consultant for litigants in several large (>$50M) Patent Infringement Lawsuits.
Recent Litigation Client Requests:
  • Expert in ultraviolet sunlamp technology to measure relative radiation in product liability litigation.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
2001 to 2004   United Kingdom   He served as the Plasma Science Associate Editor of the Journal of Physics: Applied Physics.
2002 to 2006   Worldwide   He serves as a Member of the Organizing Committee for the International Symposium on the Science and Technology of Light Sources.


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