Overview

  • Dr. Lakdawala received his BE degree from Bangalore University, India, in 1972, the ME degree from the Indian Institute of Science, India, in 1974, and the Ph.D. from the University of Liverpool, United Kingdom, in 1980, all in electrical engineering. He has worked as an Assistant Development Engineer with M/s Jyoti Limited in their R & D Center in instrument transformers division. He joined the Department of Electrical Engineering at the University of Liverpool as a Senior Research Associate in 1980. In 1982 he joined the Atomic Molecular and High Voltage Physics group at the Oak Ridge National Laboratory as a Post-Doctoral Research Associate. His publications include articles on electron attachment in fluorine compounds, breakdown studies in compressed gases and vacuum, material characterization and simulation studies in compound semiconductors, and high power semiconductor switches. Dr. Lakdawala joined Old Dominion University in the Fall of 1983. He served as the Graduate Program Director from 1988 -98. He is presently the Chief Departmental Advisor and an Associate Professor of Electrical and Computer Engineering.
  • Selected Publications

    Articles In Academic Journals

    Year Title
    2008 Output Tracking Performance of a Recoverable Digital Flight Control System in Neutron EnvironmentsIEEE Transactions on Aerospace and Electronic Systems.
    2007 Electro-Thermal Simulation Studies for Pulse Induced Energy Absorption in Nano-Crystalline ZnO VaristorsIEEE Trans. Deilectr. and Electr. Insulation.
    2007 Studies of TiO2 Breakdown Under Pulsed ConditionsJ. Appl. Phys.. 101.
    2000 A Modular Approach For Using Computer Technology For Education And TrainingInternational Journal of Computer Integrated Manufacturing. 286-297.
    2000 A Modular Approach to using Computer Technology for Education and TrainingInternational Journal of Computer Aided Manufacturing. 286-297.
    1993 Influence of Arsenic Vapor Pressure During Coper Diffusion on Deep Level Foundation in Silicon Doped Gallium ArsenideJournal of Electronics Materials. 341-246.
    1991 Influence of a Dielectric Barrier on the Stochastic Behavior of Trichel-Pulse CoronaIEEE Transactions on Electrical Insulation. 405-415.
    1991 The Lock-On Effect in Electron-Beam Controlled GaAs SwitchesIEEE Trans. Electron Devices. 701.
    1990 Influence of Copper Doping on the Performance of Optically Controlled GaAs SwitchesJ. Appl. Phys.. 1124.
    1990 Infrared Quenching of Conductivity at High Electric Fields in Bulk, Copper-Compensated, Optically-Activated GaAs SwitchIEEE Trans. Electron Devices. 2499.
    1990 Photoquenching and Characterization Studies in a Bulk Optically Controlled Semiconductor SwitchProc. SPIE's OE/Boston '90. 259.
    1990 The Recovery Behavior of Semi-insulating GaAs in Electron-Beam Controlled SwitchesIEEE Trans. Electron Devices. 2472.
    1989 Electron-Beam Controlled High Power Semiconductor SwitchesIEEE Trans. on Electron Devices. 1793.
    1989 GaAs-Photoconductive Closing Switches with High Dark Resistance and Microsecond Conductivity DecayApplied Physics Letters. 742.
    1989 Nanosecond Optical Quenching of of Photoconductivity in a Bulk GaAs SwitchAppl. Phys. Lett.. 2102.
    1989 Operating Conditions and Failure Mechanisms in He-Ne Hollow Cathode Glow DischargeJournal of Physics D: Applied Physics. 584.
    1988 An Optically Controlled Closing and Opening SwitchJournal of Applied Physics. 2460.
    1982 Attachment, Detachment and Ion-Molecule Reactions in SO2 and SO2-O2 MixturesJ. Phys D. Appl. Phys.. 2015.
    1980 Measurements of Attachment Coefficients and Ionic Mobilities in SF6-N2 Mixtures Over Low Energy Range -1.2 - 4.0 eVJ. Phys. D: Appl. Phys.. 1439.
    1980 Measurements of Attachment Coefficients in NF3 -N2 and NF3 -Rare Gas Mixtures Using Swarm TechniquesJ. Phys. D: Appl. Phys.. 377.
    1979 Electron Attachment in SO2J. de Physique. C7-11.

    Conference Papers

    Year Title
    2008 A Neural network based System for Prediction of Partial Discharge Pulse Height Distribution Parameters.  331-335.
    2008 Optimization of Complex Electrode System for Use in Electrical Measurements.  308-311.
    2008 Simulation of Electric Field distribution around water droplets on outdoor unsulator surfaces.  50-54.
    2007 Electro-Thermal Simulation Studies for Pulsed Voltage Induced Energy Absorption and Potential Failure in Microstructured ZnO Varistors.  631-634.
    2006 Markovian Statistical Data Analysis of Single-Event Upsets Triggered by High Intensity Neutrons.  349-353.
    2002 An Instrument for Assessing Knowledge Gain in a First Course in Circuit Theory
    2001 Knowledge Maps for Intelligent Questioning Systems in Engineering Education
    2001 Question Model for Intelligent Questioning Systems in Engineering Education
    1999 A Multi-Use Architecture for Technology-Based Delivery of Curricula.  12c2.
    1993 Fabrication and Photoconductive Switching Performance of High Gain Si Doped Cu Compensated GaAs.  103.
    1993 Influence of Fabrication Techniques on Gallium Arsenide Switch Photoconductivity.  Paper #1873-13.
    1992 Deep Level Characterization Studies for Optically Controlled Semiconductor Switch Materials Using a Novel Technique
    1992 Optically Activated Opening of Copper-Doped Gallium Arsenide Switches
    1992 Study of Diffusion of Copper in Silicon Doped Gallium Arsenide Using Photo-induced Current Transient Spectroscopy for Deep Level Characterization
    1991 An Optically Activated Semiconductor Opening Switch.  29.
    1991 Deep Level Parameter Studies and Their Significance for Optically Controlled Solid State Switches.  1032.
    1991 Optical Quenching of Photoconductivity as Opening Mechanism in Optoelectronic Switches.  197.
    1991 Simulation Studies of Bulk GaAs Switch Photoconductivity Using a Picosecond Laser Pulse.  771.
    1991 Switching Properties of Electron-Beam Controlled GaAs Pin Diodes.  102.
    1990 Photoquenching and Characterization Studies in a Bulk Optically Controlled GaAs Semiconductor Switch.  259.
    1990 The Deep-Level Configuration of GaAs:Si:Cu - A Material For A New Type of Optoelectronic Switch.  428.
    1990 The Lock-On Effect in Electron-Beam Controlled Gallium Arsenide Switches.  334.
    1989 A Band Edge Radiation Generator for Pulsed Power.  857.
    1989 A Laser Controlled Semiconductor Switch.  135.
    1989 A Novel Optoelectronic Closing and Opening Switch for Pulsed Power.  1079.
    1989 Investigation of a Photoconductive Closing and Opening Bulk GaAs Semiconductor Switch.  418.
    1989 Optimization Studies of Materials for Optically Controlled Semiconductor Switches.  861.
    1989 The Electrical Characteristics of Semi-Insulating GaAs for High Power Switches.  348.
    1988 E-Beam Controlled Semiconductor Switch.  D2.
    1988 Electron-Beam Controlled Semiconductor Switches.  133.
    1988 Laser Controlled Semiconductor Closing and Opening Switch
    1988 Laser Damage Threshold of Diamond Films.  86.
    1988 Optical Switching via Deep Levels.  B3.
    1988 Optical and Electron-Beam Control of Semiconductor Switches.  318.
    1988 Subnanosecond Photoelectron Beam Closing Switches.  D3.
    1987 An Optically Controlled Semiconductor Closing and Opening Switch.  275.
    1987 Concepts for Electron-Beam and Optical Control of Bulk Semiconductor Switches.  85.
    1987 Concepts for Optical and Electron Beam Control of Bulk Semiconductor Switches

    Grants

  • Joint Digital Library Project  awarded by Faculty Technical Services 1997 - 1998
  • Design and Development of a Thin Film Tilt Sensor  awarded by Lucas Control Systems Products/CIT-TAC 1995 - 1996
  • Development of the Bulk Optically Controlled semiconductor switch (BOSS) technology for the pulsed power applications  awarded by Office of Naval Research and Tetra Inc. 1992 - 1995
  • Electron Beam Controlled Semiconductor Switches  awarded by Army Research Office/Air Force Office of Scientific Research 1990 - 1993
  • A Laser Controlled Semiconductor Switch  awarded by Office of Naval Research 1989 - 1992
  • Laser Controlled High Power Semiconductor Opening Switch  awarded by Tetra Corp 1990 - 1991
  • Third SDIO/ONR Pulse Power Physics Meeting  awarded by Office of Naval Research 1990
  • Preparation of Semiconductor Switches  awarded by Naval Underwater Surface Center 1989 - 1990
  • A Laser Controlled Semiconductor Switch  awarded by Office of Naval Research 1986 - 1989
  • Electron Beam Controlled Semiconductor Switches  awarded by Army Research Office/Air Force Office of Scientific Research 1986 - 1989
  • Study of Diamond Film Growth and Properties  awarded by NASA Langley Research Center 1987 - 1988
  • Electrical and Optical Characteristics of Laser Diodes and Materials  awarded by NASA Langley Research Center 1987
  • A Study of Pulsed Surface Flashover in a Vacuum 1985 - 1986
  • A Study of Pulsed Surface Flashover in a Vacuum  awarded by NASA Langley Research Center 1984 - 1985
  • Easily Testable Designs and Device Modeling for VLSI  awarded by Centre for Innovative Technology 1984 - 1985
  • The Role of Computer-Aided Interactive Feedback for Problem Solving in Engineering Education  awarded by National Science Foundation 2005 -
  • The Role of Computer-Aided Interactive Feedback for Problem Solving in Engineering Education  awarded by National Science Foundation 2003 -
  • The Role of Computer-Aided Interactive Feedback for Problem Solving in Engineering Education  awarded by National Science Foundation 2002 -
  • Education And Training

  • Ph.D. in Electrical Engineering, University of Liverpool 1980
  • M.E. in Electrical Engineering, Indian Institute of Science 1974
  • B.E. in Electrical Engineering, Bangalore University 1972
  • Full Name

  • Vishnukumar Lakdawala