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Cloaking
Cloaking news and technical articles from Laser Focus World. Search Cloaking latest and archived news and articles
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University of Illinois researchers simulate "approximate cloaking " in the visible
… Champaign demonstrated an approximate cloaking effect created by concentric rings of silicon ..... closer to a practical solution for optical cloaking . Currently simulated in two dimensions, the cloaking concept could be extended to three dimensions …
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QUANTUM OPTICS: Optical-lattice model shows cloaking of matter waves
Invisibility cloaking of matter on the scale of the Romulans ..... to hide a spherical object within a cloaking shell or medium so that it is invisible ..... particle properties. In the proposed cloaking system, the quantum wavelength of the …
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Broadband exterior cloaking could prevent sonar detection
… demonstrated a new broadband exterior cloaking technique that uses active wave-emitting ..... invisible . The use of active devices for cloaking has two main advantages: it is relatively easy to design cloaking devices that work over a broad range …
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CLOAKING AND INVISIBILITY OPTICS: Ray-tracing software reveals imperfect invisible sphere
… should ideally be invisible: optical cloaking devices. First of all, because practical ..... is below 1, or even 0). But because cloaking optics are created from materials of ..... fabricate versions of invisibility and cloaking devices as they would be used in their …
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CLOAKING AND INVISIBILITY OPTICS: Ray-tracing software reveals imperfect invisible sphere
… should ideally be invisible: optical cloaking devices. First of all, because practical ..... is below 1, or even 0). But because cloaking optics are created from materials of ..... fabricate versions of invisibility and cloaking devices as they would be used in their …
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3D photonic crystal has electrically pumped gain; makes invisibility cloaking more feasible
… adding gain, making the structure "lossless" and enabling large-scale volumes that are capable of negative refraction and cloaking .1 To demo their creation, the researchers fabricated an electrically driven 3D photonic crystal LED. To create a 3-D …
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CLEO/QELS 2007: Annual laser and electro-optics conference to cover LEDs, cloaking , quantum optics
… optical lattice. “Fundamental Optics in Periodic and Random Media” delves into leading-edge research on electromagnetic cloaking , with an invited paper given by Graeme Milton of the University of Utah (Salt Lake City, UT). Other QELS sessions include …
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NONLINEAR OPTICS: Time cloak hides optical 'event'
“Temporal cloaking ,” a time analogue of invisibility cloaking , has been demonstrated optically by scientists at ..... the 1539 nm light determines whether or not the time cloaking works. With the cloaking turned off, the 1539 nm light …
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PHOTONIC FRONTIERS: METAMATERIALS AND TRANSFORMATION OPTICS: Newest metamaterials promise customized optical properties
… leading to applications from optical cloaking to the optical counterparts of black ..... entirely new operations such as optical cloaking . The new field of transformation optics ..... starting point. Transformation optics and cloaking Negative-index metamaterials are uniform, containing …
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Metamaterial carpet cloak has larger concealing area, is easier to fabricate
… Denmark--Until now, invisibility- cloaking techniques have come with a significant ..... previous works based on nanostructures, the cloaking carpet used in this work also shows advantages ..... small portion of the beam. Although the cloaking ensures that the beam shape is unaffected …
