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HPM Effects and Sources (E&S)

HPM Effects and Sources (E&S). Dr. John Rodgers Institute for Research in Electronics and Applied Physics (IREAP) rodgers@umd.edu Students & Post docs : Mike Holloway (DEPS Scholar), Todd Firestone, Colin Kennedy, Arlene Wangia & Dr. Zeynep Dilli

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HPM Effects and Sources (E&S)

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  1. HPM Effects and Sources (E&S) Dr. John Rodgers Institute for Research in Electronics and Applied Physics (IREAP)rodgers@umd.edu Students & Post docs: Mike Holloway (DEPS Scholar), Todd Firestone,Colin Kennedy, Arlene Wangia & Dr. Zeynep Dilli Faculty: Profs. Granatstein, Antonsen, Ott & Anlage; Drs. Nusinovich, Shkvarunets & Sinitsyn

  2. Overview of HPM Effects Research Power Supply EMI Gasket Power Bus Mapping of Electromagnetic Fields Nonlinear Circuit Dynamics • HPM Effects Involve: • Complex field distributions that are very sensitive to changes in the system • Circuit response that is very sensitive to the HPM waveform characteristics (amplitude, frequency, pulse length, modulation bandwidth, etc.) • Critical scaling laws as IC technology advances

  3. HPM Effects Spectrum HPM • Electronic systems may be susceptible to HPM anywhere across the 200-5000 MHz frequency band. • Achieving high probability of effect requires wideband sources capable of: • 10 MW powers and kJ pulse energies for close range applications (e.g. vehicle stopping & IED defeat) • 100 MW powers for long ranges (e.g. missile defense).

  4. Previous HPM Effects Studies • We have made great strides in understanding the basic electronics of HPM upset in circuits. • Our new models yield fast, accurate predictions using commercial circuit simulators (e. g. ADS). Comparison of results from experiments and simulations HPM Effects Circuit Model

  5. Proposed AppEl Research: HPM E&S • Comprehensive HPM effects program • Study HPM effects in electronic systems • Design highly effective HPM waveforms • Develop wideband test sources • Deliver accurate systems effects models • Support DE efforts @ NSWC and AFRL

  6. Proposed AppEl Research: HPM E&S • Comprehensive HPM effects program • Study HPM effects in electronic systems • Design highly effective HPM waveforms • Develop wideband test sources • Deliver accurate systems effects models • Support DE efforts @ NSWC and AFRL

  7. Proposed AppEl Research: HPM E&S • Comprehensive HPM effects program • Study HPM effects in electronic systems • Determine the most effective HPM waveforms • Develop wideband test sources • Deliver accurate systems effects models • Support DE efforts @ NSWC and AFRL Wideband HPM Source

  8. Proposed AppEl Research: E&S • Comprehensive HPM effects program • Develop wideband test sources • Study HPM effects in electronic systems • Design highly effective HPM waveforms • Deliver accurate systems effects models • Support DE efforts @ NSWC and AFRL

  9. Proposed AppEl Research:DE, mm & mm Wave Sources • Directed Energy Sources • Harmonic gyrotrons for ADS, advanced radar, EW • Terahertz Electronics • Remote sensing, high-speed communications 35 GHz Harmonic Gyrotron 35 GHz Harmonic Gyro-amplifier

  10. Proposed AppEl Research: Rail Guns • Investigate innovative methods for storing and releasing magnetic energy. UMD Coaxial Gun

  11. AppEl Extension & Education • NSWC Dahlgren & JNLWD has expressed an interest in developing our wideband chaotic HPM sources for effects testing. • Internships for USNA Trident Scholars • DEPS Graduate Scholarships • REU Internships

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