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The Defense Intelligence Agency produced this reference document, dated 31 March 2010, under its Advanced Aerospace Weapon System Applications (AAWSA) Program. It reviews the state of the art and likely evolution of high-energy laser weapons, including chemical, solid-state, fiber and free-electron lasers, as well as beam control and the history of DoD laser research. It concludes that electrically powered lasers could make megawatt-class weapons practical and that spacecraft laser weapons are conceivable within 20 years. It also recommends ways to protect spacecraft from laser damage.
“The Advance”10 pages
UNCLASSIFIED//Flilll. lilFFllililtle lal!il!! 8111!¥ Figure 7. Incoherent Combination of Single Mode Lasers in a Fiber Combiner ....... 9 Figure 8. Free-Electron Laser Wiggler .................................................................. 11 Figure 9. Elements of the 2 kW FEL at Thomas Jeffereson National Accelerator Facility .................................................................................................. 12 Figure 10. HEL Weapon Basic Tracking and Pointion Controls .............................. 14 Figure 11. Sealite Beam Director ......................................................................... 14 Figure 12. Typical Atmospheric Absorption and Scattering in the Infrared .......... 16 Figure 13. Army Mobile Tactical Unit .................................................................... 17 Figure 14. Air Force Airborne Laser Laboratory .................................................... 17 Figure 15. Mid-Infared Advanced Chemical Laser ................................................. 18 Figure 16. MDA Airborne Laser in a Boeing 747-400F .......................................... 19 Figure 17. The Advanced Tactical Laser C-130 Aircraft ......................................... 20 Figure 18. Single Pulse Maximum Permissible Exposure ...................................... 22 Tables Table 1. Laser Systems Irradiance Calculations ................................................... 25 iv UNCLASSIFIED/ 1«F81it 8FFIIIAI!: 1!181! &••1::Y
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Report, from the dia collection. The PDF is mirrored here; the original link is above. 31 pages are in the text index: search them above, or from the library's search.