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Defense Intelligence Reference Document Invisibilty Cloaking Theory And Experiments

Defense Intelligence Agency · 29 pages · text from the file's own layer

This Defense Intelligence Reference Document, dated 2 March 2010 and produced by the Defense Intelligence Agency under its Advanced Aerospace Weapon System Applications (AAWSA) Program, is a technical survey of invisibility. It covers camouflage, including stealth aircraft and optical camouflage, then transparency, cloaking by coordinate transformation, metamaterials and non-Euclidean broadband cloaking. It concludes that perfect cloaking is impossible but imperfect microwave cloaks are within reach of present technology. Whether cloaking will work at visible wavelengths remains unclear.

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“The Advance”9 pages

  • p. 2 …a series of advanced technology reports produced in FY 2009 under the Defense Intelligence Agency, l…
  • p. 4 …Implementation of the Ground-Plate Cloak ......................................... 21 iv UNCLASSIFIED/;CEiOAt OFFI&l11J.k WliEii IU.blif
  • p. 8 …In these cases, the atoms or molecules advance the wave fronts of light because they are…
  • p. 9 …9PPl!ltllt t!l91!! 9HLY direction from the propagation. The clearest and most advanced form of…
  • p. 13 …Light waves would advance around the hidden core of the device, engulfing it, as Figure 10…
  • p. 15 …The colored curves show how the electromagnetic functions change over the distance from the center of…
  • p. 18 …Figure 14. Advances in Metamaterials. The solid symbols denote materials with negative refraction; the open symbols…
  • p. 27 …The technology for cloaking will depend on the design of such advanced cloaking devices. Probably they…
  • p. 28 …Most probably, this will depend more on the new theoretical research than on advances in new…
2 March 2010
ICOD: 1 December 2009
DIA-08-1003-001
UNCLASSIFIED/ ;/

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Report, from the dia collection. The PDF is mirrored here; the original link is above. 29 pages are in the text index: search them above, or from the library's search.