Individual charge-trapping dislocations in an ionic insulator
Insulating oxide materials find widespread technological applications where how their inside dislocations behave are known to influence or control performance. Here we demonstrate, by first-principles...
Insulating oxide materials find widespread technological applications where how their inside dislocations behave are known to influence or control performance. Here we demonstrate, by first-principles...
Effect of pressure on electrospray characteristics
An experimental study of pulsating electrosprays operated at subambient pressure is reported. The pressure domain that affords stable electrospray operation appears to be limited by the vapor pressure...
An experimental study of pulsating electrosprays operated at subambient pressure is reported. The pressure domain that affords stable electrospray operation appears to be limited by the vapor pressure...
Infrared carpet cloak designed with uniform silicon grating structure
Appl. Phys. Lett. 95, 184102 (2009); doi:10.1063/1.3259775
Published 6 November 2009
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Through a particularly chosen coordinate transformation, we propose an optical carpet cloak that only requires homogeneous anisotropic dielectric material. The proposed cloak could be easily imitated and realized by alternative layers of isotropic dielectrics. To demonstrate the cloaking performance, we have designed a two-dimensional version that a uniform silicon grating structure fabricated on a silicon-on-insulator wafer could work as an infrared carpet cloak. The cloak has been validated through full wave electromagnetic simulations, and the nonresonance feature also enables a broadband cloaking for wavelengths ranging from 1372 to 2000 nm.
©2009 American Institute of Physics
| History: | Received 21 July 2009; accepted 16 October 2009; published 6 November 2009 |
| Permalink: |
http://link.aip.org/link/?APPLAB/95/184102/1 |
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