AAWSAP DIRD, Invisibility Cloaking Theory and Experiments, March 2010

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Contents
Introduction ............................................................................................................v
Camouflage ............................................................................................................ 1
Transparency ......................................................................................................... 3
Cloaking ................................................................................................................. 5
Metamaterials ........................................................................................................ 9
Optical Metamaterials .......................................................................................... 11
Fundamental Problem .......................................................................................... 15
Curved Space ....................................................................................................... 17
Broadband Invisibility .......................................................................................... 19
Implementation ................................................................................................... 20
Optical Cloaking ................................................................................................... 22
Summary.............................................................................................................. 23
References ........................................................................................................... 23
Figures
Figure 1. B2 Stealth Bomber .................................................................................. 1
Figure 2. Optical Camouflage ................................................................................. 2
Figure 3. The Secret Optical Camouflage ................................................................ 2
Figure 4. H. G. Wells's The Invisible Man: Invisibility by Transparency .................. 3
Figure 5. Complementary Media Invisibility Cloak .................................................. 4
Figure 6. Cloaking Shell.......................................................................................... 5
Figure 7. The Invisible Woman ............................................................................... 6
Figure 8. Fermat's Principle ................................................................................... 7
Figure 9. An Optical Material Deforms the Coordinates of Space ............................ 8
Figure 10. Light Waves at Cloaking Device ............................................................. 9
Figure 11. Cloaking Device for Microwaves .......................................................... 10
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