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Douglas McGregor     (Schedule)

Professor

Education:

    Ph.D., Nuclear Engineering, University of Michigan, 1993

    M.S., Nuclear Engineering University of Michigan, 1992
    M.S., Electrical Engineering, Texas A&M University, 1989
    B.S., Electrical Engineering, Texas A&M University, 1985

Research and Scholarship Areas:

    Research topics include design, development, and deployment of radiation detectors and detection systems; nuclear measurements of various ionizing and non-ionizing radiation; semiconductor device physics, semiconductor device design, and semiconductor device fabrication.


Current Director of the Semiconductor Materials And Radiological Technologies (S.M.A.R.T.) Laboratory

Visit the Kansas State University S.M.A.R.T. Laboratory Web Site


Courses Taught:

  • NE 612 - Principles of Radiation Detection: The course covers the basics of radiation detector design and operation, including gas-filled detectors, scintillation detectors and semiconductor detectors. Students gain experience with NIM equipment and various types of charged particle, gamma ray and neutron detectors. Students also gain experience with standard reporting methods, including technical reports and oral presentations.
  • NE 648 - Nuclear Reactor Laboratory: The course covers basic laboratory methods designed to understand the physics and operation of nuclear reactors.
  • NE 761 - Radiation Measurement Systems: The course covers, in detail, gas-filled and scintillation detector materials and operation, including gas detector design, photo-multipliers, and organic and inorganic scintillators.
  • NE 860 - Semiconductor Radiation Detectors: The course covers, in detail, solid state physics pertaining to semiconductors, detector design, semiconductor detector fabrication methods, and detector operation and characterization.

Memberships:
  • American Nuclear Society
  • IEEE Plasma and Nuclear Science Society
  • SPIE
  • Materials Research Society

Awards:
  • Football Professor of the Week, Kansas State University, September 2, 2006.
  • Frankenhoff Engineering Research Excellence Award, Kansas State University, 2006.
  • R&D (Research and Development) 100 Award, 2005; for the invention of the Frisch Collar high-energy-resolution gamma ray spectrometer.
  • Sandia National Laboratories Award for Excellence, 1995; for the manufacture of innovative radiation detectors.

Other Notable Achievements in the Past Five Years:

  • Major professor for 13 MS and 7 PhD students.
  • PI for 24 projects totaling over $9 million in research funds.


Current Funded Projects:

  • Li-Filled Ternary Compounds for Neutron Detection, DOE NNSA Grant - new in 2008.
  • HgI2 Purification and Crystal Growth for Gamma Ray Spectrometers, DTRA Grant - new in 2007.
  • LaBr3 as a High Resolution Gamma Ray Spectrometer, DOE NEER Grant - 2007 - present.
  • Frisch Collar Gamma Ray Spectrometer Array, BNL through NNSA, 2006 - present.
  • New Materials for Room Temperature Operated Radiation Detectors, DTRA, 2006 - present.
  • New Materials for Gamma Ray Spectrometers, NNSA, 2006 - present.
  • Coated SiC Neutron Detectors, Lockheed-Martin and BAPL, 2004 - present.
  • High-Detection-Efficiency and High-Spatial-Resolution Thermal-Neutron Imaging Systems for the Spallation Neutron Source Using Pixelated Semiconductor Detectors, National Science Foundation IMR-MIP Grant, 2004-present.
  • Electro-Optic Laser-Sampled Neutron Detector, DOE NEER Grant, 2004-present.
  • High-Efficiency Thin-Film-Coated Semiconductor Neutron Detectors for Active Dosimetry Monitors, DOE NEER Grant, 2004-present.

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Recently Funded and Completed Projects:

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Patents:

  • "High-Efficiency Neutron Detectors and Methods of Making the Same," D.S. McGregor and R.T. Klann, US-7,164,138; Allowed January 16, 2007.
  • "Method and System for Measuring Neutron Emissions and Ionizing Radiation, Solid State Detector for use Therein, and Imaging System and Array of Such Detectors for use Therein," D.S. McGregor, US-6,921,903; Allowed July 26, 2005.
  • "Method and System for High-Speed, 3D Imaging of Optically-Invisible Radiation," C.J. Branch-Sullivan, K.J. Kearfott, B. Stojadinovic, and D.S. McGregor, US-6,815,687; Allowed November 9, 2004.
  • "Method and System for Detecting Ionizing Radiation," D.S. McGregor and K.J. Kearfott, US-6,806,474; Allowed October 19, 2004.
  • "Collimated Radiation Detector Assembly, Array of Collimated Radiation Detectors and Collimated Radiation Detector Module," D.S. McGregor, US-6,781,132; Allowed August 24, 2004.
  • "Entertainment Assembly for a Caged Animal," D.S. McGregor and H.K. Gersch, US-6,736,088; Allowed May 18, 2004.
  • "Method and System for Determining Depth Distribution of Radiation Emitting Material Located in a Source Medium and Radiation Detector System for use Therein," R.R. Benke, K.J. Kearfott, and D.S. McGregor, US-6,727,505; Allowed April 27, 2004.
  • "Radiation Assisted Electron Source," J.C. Engdahl, D.S. McGregor, and R.A. Rojeski, US-6,570,165; Allowed May 27, 2003.
  • "Pocked Surface Neutron Detector," D.S. McGregor and R.T. Klann, US-6,545,281; Allowed April 8, 2003.
  • "Method and System for Determining Depth Distribution of Radiation Emitting Material Located in a Source Medium and Radiation Detector System for use Therein," R.R. Benke, K.J. Kearfott, and D.S. McGregor, US-6,528,797; Allowed March 4, 2003.
  • "Coated Semiconductor Devices for Neutron Detection," R.T. Klann and D.S. McGregor, US-6,479,826; Allowed November 12, 2002.
  • "High Resolution Ionization Detectors and Array of Such Detectors," D.S. McGregor and R.A. Rojeski, US-6,175,120; Allowed January 16, 2001.


Contributions to Books:
  • D.S. McGregor, "Chapter 8, Detection and Measurement of Radiation," in Fundamentals of Nuclear Science and Engineering, 2nd Ed., by J.K. Shultis and R.E. Faw (CRC Press, Boca Raton, 2007).
  • D.S. McGregor and J.E. Kammeraad, “Chapter 10, Gallium Arsenide Radiation Detectors and Spectrometers,” in Semiconductors and Semimetals, Vol. 43, Weber, Willardson and Beer, eds., (Academic Press, San Diego, 1995) pp. 383-442.
  • D.S McGregor, G.F. Knoll, Y. Eisen, and R. Brake, “Fabrication and Evaluation of Room Temperature Operated Radiation Detectors Processed from Undoped LEC Bulk Gallium Arsenide Material,” in GaAs Detectors and Electronics for High Energy Physics, C. del Papa, P.G. Pelfer, and K. Smith, eds., (World Scientific, Singapore, 1992) pp. 30-43.


Selected Refereed Publications (from over 60):


Selected Conference Proceedings (from over 40):

  • D.S. McGregor, S.L. Bellinger, D. Bruno, S. Cowley, M. Elazegui, W.J. McNeil, E. Patterson, T. Unruh, C.J. Solomon, J.K. Shultis, B.B. Rice, "Perforated Semiconductor Neutron Detector Modules for Detection of Spontaneous Fission Neutrons," IEEE Conf. on Technologies for Homeland Security, Woburn, MA, May 16-17, 2007.
  • D.S. McGregor, S. Bellinger, D. Bruno, W.J. McNeil, E. Patterson, B.B. Rice, "Perforated Semiconductor Neutron Detector Modules," Proc. of 32nd Annual GOMACTech Conf., Lake Buena Vista, FL, March 19 - 22, 2007.
  • W.J. McNeil, S. Bellinger, T. Unruh, E. Patterson, A. Egley, D. Bruno, M. Elazegui, A. Streit, D.S. McGregor, "Development of Perforated Si Diodes for Neutron Detection," IEEE Nuclear Science Symposium, San Diego, CA, Oct. 29 - Nov. 3, 2006.
  • B.B. Rice, A. Streit, D.S. McGregor, "Factorial Analysis of ICP Etching of GaAs Substrates for Thin-Film-Coated Neutron Detectors," IEEE Nuclear Science Symposium, San Diego, CA, Oct. 29 - Nov. 3, 2006.
  • Y. Cui, A.E. Bolotnikov, G.S. Carmarda, G. De Geromnimo, P. O'Connor, R.B. James, A. KArgar, M.J. Harrison, D.S. McGregor, "Readout System for Arrays of Frisch-Ring CdZnTe Detectors," IEEE Nuclear Science Symposium, San Diego, CA, Oct. 29 - Nov. 3, 2006.
  • J.L. Britton, S.C. BUnch, B.J. Blalock, C.L. Britton, D.S. McGregor, L. Crow, "PATARA: Solid-State Neutron Detector Readout Electronics with Current-Mode Pole-Zero and Shaping and Gated Baseline Restorer for the SNS," IEEE Nuclear Science Symposium, San Diego, CA, Oct. 29 - Nov. 3, 2006.
  • D.S. McGregor, et al., "Perforated Semiconductor Diodes for High Efficiency Solid State Neutron Detectors," Workshop on Use of Monte Carlo Techniques for Design and Analysis of Radiation Detectors, Coimbra, Portugal, Sept. 15-17, 2006.
  • J.K. Shultis and D.S. McGregor, "Efficiencies of Coated and Perforated Semiconductor Neutron Detectors," IEEE Nuclear Science Symposium, Rome, Italy, Oct. 18-22, 2004.
  • A.E. Bolotnikov, G.S.. Camarda, G.A. Carini, M. Fiederle, D.S. McGregor, W. McNeil, G.W. Wright, and R.B. James, "Performance Characteristics of Frisch-Grid CdZnTe Detectors," IEEE Nuclear Science Symposium, Rome, Italy, Oct. 18-22, 2004.
  • D.S. McGregor, J.K. Shultis, M.F. Ohmes, A.S.M.S. Ahmed, R. Ortiz, K Hoffert, "Micro-Pocket Fission Detectors (MPFD) for Near-Core and In-Core Neutron Flux Monitoring," ANS 4th Topical Meeting NPIC & HMIT, Columus, Ohio, September 19-22, 2004.
  • Raymond T. Klann, Charles L. Fink, Douglas S. McGregor, and Holly K. Gersch, “Development of Coated Gallium-Arsenide for Neutron Detection Applications,” Conference Record of the 12th Biennial RPSD Topical Meeting, Sante Fe, New Mexico, April 14-18, 2002.
  • Douglas S. McGregor and Robert L. Metzger, “A Geometrically Weighted Frisch-Grid Semiconductor Radiation Detector for Gamma Ray Spectroscopy,” Conference Record of the 12th Biennial RPSD Topical Meeting, Sante Fe, New Mexico, April 14-18, 2002.
  • D.S. McGregor, H.K. Gersch, J.D. Sanders, and R.T. Klann,“Designs for Thin-Film-Coated Semiconductor Neutron Detectors,” Conference Record of the IEEE Nuclear Science Symposium, San Diego, California, Nov. 4-9, 2001.
  • D.S. McGregor, R.T. Klann, H.K. Gersch, E. Ariesanti, J.D. Sanders, and B. VanDerElzen, “New Surface Morphology for Low Stress Thin-Film-Coated Thermal Neutron Detectors," Conference Record of the IEEE Nuclear Science Symposium, San Diego, California, Nov. 4-9, 2001.
  • J.D. Sanders, J.T. Lindsay, and D.S. McGregor, “Development of a GaAs-Based Neutron Tomography System for the Assay of Nuclear Fuel,” Conference Record of the IEEE Nuclear Science Symposium, San Diego, California, Nov. 4-9, 2001.
  • D.S. McGregor, H.K. Gersch, J.D. Sanders, R.T. Klann, adn J.T. KLindsay, "Thin-Film-Coated Detectors for Neutron Detection," Conference Record of the First iTRS International Synposium On Radiation Safety and Detection Technology, Seoul, Korea, July 18-19, 2001.
  • R.T. Klann, C. L. Fink, D. S. McGregor, and H. K. Gersch, “Development of Semi-Conductor Detectors for Fast Neutron Radiography,” Conference Record of the 15th Int. Conf. on Applications of Accelerators in Research and Industry, November, 2000.
  • H.K. Gersch, D.S. McGregor, and P.A. Simpson, "A Study of the Effect of Incremental Gamma-Ray Doses and Incremental Neutron Fluences Upon the Performance of Self-Biased B10-Coated High-Purity Epitaxial GaAs Thermal Neutron Detectors," Conference Record of the IEEE Nuclear Science Symposium, Lyon, France, Oct. 15-20, 2000.
  • D.S. McGregor, J.T. Lindsay, Y-H. Yang, and J.C. Lee, “Bulk GaAs-Based Neutron Detectors for Spent Fuel Analysis,” Conference Record of ICONE-8, 8th International Conference on Nuclear Engineering, April 2-6, 2000, Baltimore, MD USA.
  • R.T. Klann and D.S. McGregor, “Development of Coated GaAs Neutron Detectors,” Conference Record of ICONE-8, 8th International Conference on Nuclear Engineering, April 2-6, 2000, Baltimore, MD USA.
  • D.S. McGregor, S.M. Vernon, H.K. Gersch, S.M. Markham, S.J. Wojtczuk, and D.K. Wehe, "Self-Biased Boron-10 Coated High Purity Epitaxial GaAs Thermal Neutron Detectors," Conference Record of the IEEE Nuclear Science Symposium, Seattle, Washington, OCt. 25-29, 1999.
  • D.S. McGregor and R.A. Rojeski, "Performance of Geometrically Weighted Semiconductor Frisch Grid Radiation Spectrometers," Conference Record of the IEEE Nuclear Science Symposium, Toronto, Ontario, Canada, Nov. 8-14, 1998.
  • D.S. McGregor, Z. He, H.A. Seifert, R.A. Rojeski, and D.K. Wehe, "CdZnTe Semiconductor Parallel Frisch Grid Radiation Detectors," Conference Record of the IEEE Nuclear Science Symposium, Albuquerque, New Mexico, Nov. 9-15, 1997.
  • D.S. McGregor, J.T. Lindsay, C.C. Brannon, and R.W. Olsen, "Semi-Insulating Bulk GaAs Thermal Neutron Imaging Arrays," Conference Record of the IEEE Nuclear Science Symposium, San Francisco, California, Oct. 21-28, 1995.
  • D.S. McGregor et al., "The Investigation of Custom Grown Vertical Zone Melt Semi-Insulating Bulk Gallium Arsenide as a Radiation Spectrometer," Conference Record of the IEEE Nuclear Science Symposium, San Francisco, California, Ocr. 21-28, 1995.
  • D.S. McGregor, G.F. Knoll, Y. Eisen, and R. Brake, "Development of Bulk GaAs Room Temperature Radiation Detectors," Conference Record of the IEEE Nuclear Science Symposium, Sante Fe, New Mexico, Nov. 2-9, 1991.


Visit the Kansas State University American Nuclear Society Student Chapter Web Site


Past Final Exams for NE 612

December 18, 2002

May 12, 2003

December 15, 2003

December 16, 2004


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