2014
DOI: 10.1103/physrevlett.112.054302
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Experimental Demonstration of a Bilayer Thermal Cloak

Abstract: Invisibility has attracted intensive research in various communities, e.g., optics, electromagnetics, acoustics, thermodynamics, dc, etc. However, many experimental demonstrations have only been achieved by virtue of simplified approaches due to the inhomogeneous and extreme parameters imposed by the transformation-optic method, and usually require a challenging realization with metamaterials. In this Letter, we demonstrate a bilayer thermal cloak made of bulk isotropic materials, and it has been validated as … Show more

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Cited by 508 publications
(400 citation statements)
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“…[1][2][3][4][5][6][7][8] The TO technique has also led to the creation of many other important EM devices with functionalities previously deemed impossible or unconceivable. [9][10][11] In general, this coordinate operation can be applied to different partial differential equations governing the behaviors of other physical phenomena such as thermal flux, [12][13][14][15][16][17][18][19][20][21][22][23] acoustic wave, [24][25][26][27] and matter or quantum [28][29][30] waves, demonstrating important scientific and application potentials.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4][5][6][7][8] The TO technique has also led to the creation of many other important EM devices with functionalities previously deemed impossible or unconceivable. [9][10][11] In general, this coordinate operation can be applied to different partial differential equations governing the behaviors of other physical phenomena such as thermal flux, [12][13][14][15][16][17][18][19][20][21][22][23] acoustic wave, [24][25][26][27] and matter or quantum [28][29][30] waves, demonstrating important scientific and application potentials.…”
Section: Introductionmentioning
confidence: 99%
“…[15][16][17] Recently, there is a progress in managing phonons by nanostructured phononic crystals (PnCs) [18][19][20][21][22][23] which control heat by making use of phononic properties. It heralds the next technological revolution in phononics, such as thermal rectifiers, [15,[24][25][26][27][28][29] optomechanical crystals, [30,31] thermal cloaking, [32][33][34][35][36] thermoelectrics, [37][38][39][40][41] and thermocrystals. [18,21,22] When the characteristic size of nanostructured PnCs is closed to the wavelength of phonons, PnCs may manipulate the phonon band structures which lead to the phonon confinement.…”
Section: Introductionmentioning
confidence: 99%
“…This form occurs in many situations of physics and cloaking, including static thermal cloaks [38,39], direct current electric cloaks [40] and diffusive light cloaks [41]. We note that it is possible to derive analogous theoretical results for other canonical geometries, e.g., in spherical symmetry, following a similar methodology.…”
Section: Discussionmentioning
confidence: 88%