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 Expert  715715

Expert in Electronic Design and Development

Available for your Consulting and Expert Witness Needs

New Jersey (NJ)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has designed and developed for manufacture linear photodiode array, line-scan CCD and CCD area array-based cameras--either cryogenic or thermoelectric (Peltier) cooled, or uncooled. He helps clients by reviewing their application or existing designs and then recommends optical sensors and electronic designs to meet their performance and cost goals. Acting as a vendor liaison on behalf of clients, he can specify and negotiate custom modifications to standard optical sensors. Expert has designed the camera analog circuits including video preamplifiers, video signal processing chain, sensor clock pulse generators, analog-to-digital conversion, and digital circuits controlling timing and interfacing to microprocessors or host computers. His camera designs have up to 18-bit dynamic range and can detect as few as 10 photons. Expert has designed with image intensifier tubes, serving as either high-speed optical shutters to control exposure time or as high-gain light amplifiers. He is also familiar with mechanical camera shutter design. Camera photoresponses cover the visible spectrum and extend into the ultraviolet and near infrared. Some of Expert's imaging applications include machine vision or inspection, law enforcement, forensics, medical diagnostic, photography, remote sensing, night vision, and spectroscopy.

camera design


CCD camera


digitizing system


optical multichannel analyzer

Expert has designed analog circuits in the frequency range of DC to 360 MHz with input/output capabilities ranging from microvolts and picoamps to amps. He designs front-end signal preamplifiers with discrete components to amplify sensor or detector voltage; current or charge signals; broadband analog signal chains exhibiting good DC performance; high-speed, high-resolution analog-to-digital (A/D) conversion circuits; regulated switched-mode high voltage power supply circuits, under 10 watts, having outputs up to 20 kilovolts; and linear direct current (DC) power supplies up to 200 watts.

analog circuit


analog circuit design


analog signal

Many of Expert's electronic instrument designs measure analog signals and provide digital outputs of the measured quantities. These systems make high-speed or high-resolution measurements. He has designed circuits employing commercially available A/D converters ranging from high-speed flash to medium-speed, high-resolution converters. Expert has a patent (5198816) that describes a new A/D conversion technique as well as circuits used in a currently manufactured light measuring instrument. As implemented, that A/D converter has 18 bits of dynamic range and 10 microsecond conversion time.

analog-to-digital conversion

Expert has designed and developed light measuring and imaging equipment employing optical sensing charge-coupled devices. He has experience applying front- and back-side illuminated, multi-phase pinned (MPP), frame transfer, interline transfer, and charge injection device types of linear or line-scan, and area array or 2D, CCD optical sensors to his designs. He has direct experience with the standard products of US and overseas manufactures and can act as a vendor liaison on behalf of clients to specify and negotiate custom design modifications. He also designs and develops electronic circuits to support those sensors in applications.

charge-coupled device



Another of Expert's areas of expertise involves the design and development for manufacture of solid-state high voltage pulse generators. These generators have an output of up to 350 volt peak pulses with rise and fall times faster than 2.5 nanoseconds, have fixed or adjustable pulse widths ranging from less that 5 nanoseconds to DC, and pulse repetition rates up to 1 MHz. Alternatively, some can be configured to provide current pulses of up to several amps and some are based on avalanche transistor techniques.

circuit design


electric pulse circuit


impulse generator


pulsed-signal generator

Expert has experience using tubes of various sizes, photocathode formulations, and dynode configurations and has designed and developed for manufacture low-light-level and photon counting instrumentation employing photomultiplier tubes (PMTs). He designs precision regulated switched-mode high voltage power supplies to bias the tube dynode string, low-noise current pulse amplifier-discriminators to provide ECL-, TTL-, and NIM-compatible output pulses for photon counting, and current-to-voltage converting preamplifiers for scanning and high-dynamic range applications.

multiplier phototube

In the area of night-vision technology, Expert has worked with generation 1.5, 2, and 3 type wafer tubes with single, dual-chevron, triple-Z and high-linearity hot microchannel plates; various photocathode types covering the X-ray, ultraviolet, visible, and infrared portions of the spectrum; and various phosphor types. His experience with the standard products of US and overseas manufacturers enables him to act as a vendor liaison to specify and negotiate custom modifications. He also designs electronic circuits to support image intensifier applications including switched-mode high-voltage power supplies, high-voltage pulse and impulse generators for gating or shuttering, and related digital control circuitry.

night-vision image tube


night-vision imaging system

Expert has designed and developed electronic circuits for light measuring and imaging equipment using linear and area photodiode arrays. His experience with the standard products of US and overseas manufacturers enables him to act as a vendor liaison to specify and negotiate custom photodiode modifications.


Expert has designed front-end sensor signal-preamplifiers from discrete components such as transistors, field effect transistors, and operational amplifiers (opamps). His designs range from low-noise voltage, current, and charge types--high and low input impedance. Their operational bandwidth falls within the DC to 360 MHz region.


Expert has designed and developed Peltier cooler subsystems used with optical sensors and related components. These systems utilize off-the-shelf and custom configured plates and range from single to multi-stage assemblies and employ ambient air, forced-air, or liquid heat exchange medium for waste heat removal. He also designs temperature regulation circuits and thermoelectric cooler power supplies.

thermoelectric cooling

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: New York, New York;  Yonkers, New York;  Newark, New Jersey;  Jersey City, New Jersey;  Paterson, New Jersey;  Elizabeth, New Jersey;  Bridgeport, Connecticut;  Stamford, Connecticut;  Philadelphia, Pennsylvania;  and Allentown, Pennsylvania.

Often requested
with this expert:

Electrooptical and Photoelectronic Detectors and Imagers
Photonics, Semiconductors
Infrared and other electro-optic detector technologies
Electro-Optic Systems, laser communications, optical...

Year   Degree   Subject   Institution   Honors
1976   BS   Electrical Engineering   Electronics Engineering - Trenton State College   Summa Cum Luade
1974   AS   Electronics Engineering   Electronics Engineering - Mercer County College   With Honors

Work History:
Years   Employer   Department   Title  

1993 to







1989 to 1993





Advanced Detector Group Leader


1987 to 1989





Electro-Optics Group Leader


1983 to 1987




Electro-Optics Group




1977 to 1983




Scientific Instruments Group




Career Accomplishments:

Expert is a member of IEEE and SPIE.

Selected Publications and Publishers  
 - Laser Focus World  

Consulting Services:
Recent Client Requests:
  • DC circuit engineering expert for consulting on a DC to DC converter design prototype.
  • Night vision expert for consulting on night vision device design and production.
  • Expert in wireless transmitters & controllers for consulting on RFID technology.
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 in camera modules for consulting on a risk assessment in particular patents and licensing requirements, historical data on camera module recalls, resolutions, and associated costs.
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 the following: Night-vision tubes, Image intensifier tubes, Photomultiplier tubes, (multiplier phototubes) Area imaging arrays (charge-coupled devices), Line-scan and linear imaging arrays (photodiode and CCD arrays), Thermoelectric (Peltier) cooling components and systems and solid-state cameras.


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