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This Defense Intelligence Reference Document from the Defense Intelligence Agency, dated 28 January 2010, surveys pulsed high-power microwave (HPM) source technology. It was produced under the Advanced Aerospace Weapon System Applications (AAWSA) program. It covers insulation, cathode materials, high-voltage switching, pulse generators, microwave sources such as magnetrons, gyrotrons and the Phoenix and Jolt sources, and antennas. The document concludes that progress depends on advances in cathodes, switching and insulation. It says compact ultrawideband antennas will remain difficult to build.
UNCLASSIFIED/;SflHl 8FFIIItllL ~81!! SHLY Figure 10. Jolt Hyperband HPM Source ................................................................. 24 Figure 11. Jolt Radiated Electric Field Waveform at 85 Meters ............................. 24 Figure 12. FLAPS Antenna With a Cross-Shorted Dipole Array ............................. 26 Figure 13. Mode Converter Vlasov Antenna and Vlasov Antenna Attached to a Coaxial MILO ....................................................................................... 27 Tables Table 1. Dielectric Properties of Some HPM Plastics ............................................... 3 Table 2. Relative Spark Breakdown Strength of Gases ........................................... 5 Table 3. Cathode Study Findings .......................................................................... 11 V UNCLASSIFIED/;CEiOAt OFFIQl.ltk WliEii &••LY
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Report, from the dia collection. The PDF is mirrored here; the original link is above. 37 pages are in the text index: search them above, or from the library's search.