AAWSAP DIRD, Invisibility Cloaking Theory and Experiments, March 2010
DOW-UAP-D122 · page 26 of 29
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UNCLASSIFIED/ /FOR: errl@IAL YSIE 8HLY coordinate transformations). This is not a cloaking device: it compresses an extended region of space to a reflecting plate; the interior is hidden behind the plate, but the plate is clearly visible. Such a device conceals the extension and shape of the hidden region but not the fact of hiding itself. B Figure 22. Coordinate Transformation Implemented by a Ground-Plate Cloak In order to implement the ground-plate cloak, thousands of cells with split-ring resonators with individual, tailor-made electromagnetic properties were designed, as Figure 23 shows. 0. 0.8 12 6 mm) Figure 23. Implementation of the Ground-Plate Cloak38 UNCLASSIFIED//EOR QFFIEIAk WS& 8HLY 21