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 Expert  715918

Expert in Laser Physics and Applications

Available for your Consulting and Expert Witness Needs

Washington (WA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
As Vice President of Research and Development, Expert has had extensive experience in the design, modeling, fabrication, and operation of lasers, using them for measurements and other applications and with laser safety. He is most familiar with excimer lasers. Other lasers of familiarity include Nd:YAG, argon ion, CO2, dye, HeNe, and FEL. His PhD is in quantum electronics, which includes coherent sources such as lasers.



particle acceleration


particle accelerator

Expert has conducted extensive research on both discharge and electron-beam pumped excimer lasers, including KrF, XeCl, and XeF. He is very familiar with the devices (laser chamber, optics, and pulsed power), kinetics, and applications.

pulsed ultraviolet laser


ultraviolet laser


excimer laser

In performing research on and using lasers, Expert is, of course, very familiar with the optics associated with these devices. This includes the laser cavity mirrors, other optics within the cavity (e.g. Q-switch, polarizer), and external optics, including mirrors, gratings, lenses, filters, and nonlinear crystals. He is well versed in optical damage issues, and has performed research on glancing incidence mirrors. In addition, he has been involved in the design of very specialized optics.

laser optics



Familiar with optical damage from his work with high-peak power lasers (excimer, Nd:YAG, and CO2), Expert has studied laser surface cleaning of mirrors.

laser-induced damage


laser-induced optical component damage

Expert is knowledgeable of the optical diagnostics used to detect and characterize optical radiation from laser beams, incoherent sources, and linear accelerators. This includes diagnostic instruments, commercial devices (see Summary under Photonics Technology for examples), custom devices (designed by Expert), proper usage of these devices, and analysis and interpretation of their outputs.

optical diagnostics

Expert's experience in laser applications is quite diverse. It includes using lasers to measure physical phenomena (interferometry, spectroscopy, imagery, reflectometry), laser surface cleaning, laser particle acceleration, photoacoustic calorimetry, laser-triggered spark gaps, and endoscopic photocoagulation. Typically, his involvement covers everything, including concept, design, engineering, safety, testing, and usage.

laser application

Expert has performed research to create innovative laser beams, such as ones with radial polarization, Bessel beams, and flattop beams required for effective laser cleaning applications. Measuring the characteristics of these beams is also an area of his expertise.

laser beam

Besides lasers and optics, Expert is adept with the other devices and physics associated with the photonics field. These include optical detectors (e.g. PMT, photodiode, video cameras), optical instruments (e.g. spectrometers, power meters), optical hardware (e.g. mounts, translation stages), electronics (e.g. oscilloscopes, delay generators, video frame grabber boards), and optical fibers. He also maintains a large library of vendor brochures, catalogs, and other printed literature.

photonics technology

As Vice President of Research and Development, Expert is intimately familiar with all issues related to managing photonics R&D This work includes planning, coordinating, and managing activities as well as resolving technical and managerial issues, customer or end-user interactions, market analysis, and strategic planning.

photonics research-and-development management

Expert has been performing research for nearly 30 years on accelerating relativistic electrons using a high-power laser beam. Since an electron linear accelerator is used during this process, he is also familiar with these devices and their associated physics. He is familiar with the basic fundamental principles of accelerators, their associated hardware and equipment, and their applications both in research and industry.

laser particle acceleration


linear accelerator


electron accelerator

Expert's experience includes relativistic electron beams, which stems from his laser particle acceleration research, and non-relativistic electron beams, which stems from his electron-beam pumped excimer laser research. He is knowledgeable of electron-beam sources (cold, hot, and photoexcited cathodes), electron beam physics, and electron beam interactions with matter.

electron beam

Expert has performed pioneering research on electron-beam pumped excimer lasers, including KrF, XeCl, and XeF. He is proficient in the devices (laser chamber, optics, and pulsed power), kinetics, and applications of these lasers.

electron beam pumped excimer laser

Expert has performed research in this area, with special emphasis on using a UV laser. This research includes optimization of the technique, developing engineering designs for cleaning systems, and cost analysis. He is also familiar with alternative cleaning techniques, such as CO(2) snow. Since 1990, he has performed research and development on using a pulsed laser beam to remove both molecular and particulate contamination from optical surfaces without damaging the optical coating on the surface. Such a process can also be used to clean non-optical surfaces and remote surfaces, and it can be more effective and have less total cost (capital plus operational) than conventional methods.

laser surface cleaning

As part of his laser surface cleaning research, Expert is familiar with issues related to determining the cleanliness of a surface. He is also experienced with corrosion or tarnishing of surfaces and has performed research on inhibiting corrosion of mirror surfaces.

surface cleanliness

As the principal investigator and program manager for both small and multimillion-dollar programs, Expert has extensive experience in cost estimation and cost/benefit analysis, especially for experimental R&D projects. These costs include labor and materials for all phases of the project.


cost analysis


cost estimation

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Seattle, Washington;  Tacoma, Washington;  Bellevue, Washington;  Everett, Washington;  Federal Way, Washington;  Kent, Washington;  Yakima, Washington;  Bellingham, Washington;  Lakewood, Washington;  and Renton, Washington.

Often requested
with this expert:

Lasers, Optics, Electro-Optics, Fiber-Optics, and...
Physics, Optics, and Lasers
Machine Vision,Lasers, and Laser-based Systems, Light...
Optical and Photonic Design and Engineering

Year   Degree   Subject   Institution   Honors
1981   PhD   Electrical Engineering   Stanford University  
1977   MS   Electrical Engineering   Stanford University  
1976   BS   Electrical Engineering   University of Washington   magna cum laude

Work History:
Years   Employer   Title  

1982 to




Vice President of Research and Development


1984 to 1989


Los Alamos National Laboratory




Career Accomplishments:

Expert is a member of APS, the Optical Society of America, and is a senior member of IEEE.

Professional Appointments

He is a member of the Company Board of Directors. Expert was on the Gas and Free Electron Laser Subcommittee for Conference on Lasers and Electro-Optics (CLEO) in '91, '92, and '93. In 1998, he was a Working Group Co-leader for the Workshop on Advanced Accelerator Concepts.


Expert was the Spectra-Physics Star Performer in 1985, the recipient of the George Porter Baldwin Scholarship, Stanford University in 1976, and won 1st Place in 1976 for the Region 6 Student Papers Competition, IEEE.

Publications and Patents Summary

He has over 125 publications, over 115 presentations, and 4 patents.

Selected Publications and Publishers  
 - Publications of the Astronomical Society of the Pacific  
 - Applied Optics  
 - Physical Review Letters  
 - Journal of Applied Physics  
 - IEEE Journal of Quantum Electronics, Institute of Electrical and Electronics Engineers (IEEE)  

Government Experience:
Years   Agency   Role   Description
1985 to   U.S. Department of Energy   Principal Investigator   Expert has been the Principal Investigator and Program Manager for a research program to investigate and develop novel new methods to accelerate relativistic electrons using laser light. This includes utilizing inverse free electron lasers (IFEL) and plasma-based acceleration techniques, such as plasma wakefield acceleration (PWFA) and laser wakefield acceleration (LWFA). His experiment is located at the Brookhaven National Laboratory Accelerator Test Facility (BNL-ATF).

Consulting Services:
Recent Client Requests:
  • Expert in PSES.
  • Expert in optical waveguide.
  • Expert in 722726 for consulting on Electroless Plating on Polymer Substrate.
  • Linear accelerator expert for consulting on RFQ Resonator of LINAC.
  • Expert in laser ablating polyimide material for consulting on excimer laser ablation.
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:
Recent Litigation Client Requests:
  • Expert for a litigation case dealing with excimer laser gas product.
  • Laser expert for consulting on Laser Pointer Damage.
  • LASIK Expert for consulting on excimer Laser.
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.

Additional Skills and Services:
Supplier and Vendor Location and Selection

Expert has experience locating vendors of: lasers and ancillary equipment (e.g. chillers and power supplies, optics and coating services (including nonlinear optics), optical hardware and components, optical instruments and detectors (including interfacing with video equipment), and scientific instruments.

He has access to the following resources: vendor brochures, catalogs, and other printed literature, personal contacts with selected vendors, and contacts with selected laser researchers at universities, national laboratories, and industries in the U.S. and internationally.


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