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 Expert  723164

Expert in Optical and Photonic Design and Engineering

Available for your Consulting and Expert Witness Needs

Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
He has extensive experience designing optical systems for astigmatic coherent laser beams. He is familiar with techniques for laboratory measurements of beam properties and can use real beam profiles as inputs to beam propagation analysis and the design of corrective elements.

These techniques are invaluable in the design and debugging of microoptic elements where surface figure cannot be controlled in the same way as for conventional optics.

He has a strong background in near-UV and visible fluorescence spectroscopy and photophysics of molecular systems in both condensed and gas phases. He is familiar with vibrational structure, fluorescence lifetime, the polarization effects of viscous solutions, single photon counting methods, deconvolving interference between overlapping spectra, environmental effects of quantum yields, and non-radiative energy transfer phenomena.

He has conducted numerous spectral and time resolved experiments on biological systems, isolated gas-phase molecules, and on molecular clusters.

He has experience with a wide variety of laser systems dating back 25 years. He has first-hand experience with ion, dye, excimer, copper vapour, CO2, semiconductor, and solid state lasers; as well as optical paramateric oscillators and amplifiers. He has designed and built solid state and dye lasers, laser amplifiers, fiber amplifiers, mode lockers, cavity dumpers, and Q-switched systems.

He has applied these varied laser systems to time and frequency resolved spectroscopy (often simultaneously), holography, metrology, and telecommunications.

He has a firm background in molecular spectroscopy and extensive application in the fields of biological and large molecule absorption and fluorescence. He has experience in handling situations with interfering spectra and has devised means of deconvolving overlapping contributions from similar species.

He also experience in elucidating and compensating for complicating factors such as photochemical reactivity, non radiative energy transfer, and sample turbidity.

Expert has designed and built spectroscopic instrumentation for time and frequency resolved gas phase emission measurements, one and two-laser photoionization spectroscopy, as well as condensed phase absorption and emission measurements.

Applications of these systems include laser excited biological fluorescence, large and medium molecule laser excited emission, time (and mass) resolved photoionization, as well as biomedical absorption and emission diagnostic instruments.

In many cases special sample handling arrangements were necessary, from liquid flow cells to gas-mixing systems.


beam optics


fluorescence spectroscopy




molecular spectroscopy


spectroscopy instrumentation


photonic design

Show Secondary and Basic Areas of Expertise

Often requested
with this expert:

Optical Instrumentation Design, 3D Imaging, Confocal...
Laser Physics and Applications
Machine Vision,Lasers, and Laser-based Systems, Light...
Optical Science and Engineering

Year   Degree   Subject   Institution   Honors
1985   Ph. D.   Chemistry   University of Saskatchewan  
1980   B.Sc.   Chemistry   University of Saskatchewan   Honours

Work History:
Years   Employer   Department   Title   Responsibilities

2005 to





Founding Partner


Independent Consulting

2001 to 2005


Photonami, Inc.



Senior Development Scientist


lead C-band amplifier development opto-mechanical design of telecom laser package

1997 to 2000


Photonics Research Ontario



Senior Scientist


Industrial Consulting Facilities Management

1987 to 1996


University of Toronto


Dept. of Chemistry


Research Associate


Manage academic research laboratory. Develop and participate in research programs. Supervise Graduate students

1985 to 1986


University of Toronto


Dept. of Chemistry


NSERC Post Doctoral Fellow


Develop and participate in research programs.

Career Accomplishments:


Publications and Patents Summary

He has 18 publications and 2 patents

Consulting Services:
Selected Consulting Examples:
  • An optical alignment system was required by a manufacturer of laser rangefinding equipment. He developed and built a simple to operate system capable of handling all three on the manufacturer's product lines. After on site training and support their assembly and service times have been cut by more than a factor of 10.
  • An automotive development lab required expertise in installation and configuration of a holographic system for vibrational analysis of prototype diesel engines. He provided installation and training support to successfully implement their desired system.
  • A manufacturer of intracavity frequency doubled high power lasers was having problems with long-term stability. He was able to troubleshoot their design and propose a successful solution.
  • An OEM manufacturer required assistance in designing optics for a laser-based projection system. He designed the beam shaping optics and set up an alignment system for use during assembly.
Recent Client Requests:
  • Consulting on Laser measuring in challenging environment.
  • Expert in laser ablating polyimide material for consulting on excimer laser ablation.
  • Expert in fluorescence imaging for consulting on design of a fluorescence imaging system.
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:
A legal defense team required technical advice on a case involving alleged misuse of military technology. He provided Expert Witness support to show that all aspects of the technology in question were in the public domain, and the case was successfully resolved for the defendant.
Recent Litigation Client Requests:
  • Expert in contact lens design & manufacturing for consulting on manufacturing tolerances for lenses and molds.
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
2005 to   United States   Ongoing design support and project management services for a New England OEM manufacturer.

Additional Skills and Services:
Supplier and Vendor Location and Selection

He routinely sources and manages suppliers in support of design and manufacture. In addition to extensive knowledge of "commodity" supplies, he has a close relationship with a number of specialist suppliers.

Other Skills and Services

Project management and design work coordinating international engineering teams via teleconference.


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