Cloaking a Sensor
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Electrical and Computer Engineering
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Alù, Andrea
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We propose the general concept of cloaking a sensor without affecting its capability to receive, measure, and observe an incoming signal. This may be obtained by using a plasmonic sensor, based on cloaking, made of materials available in nature at infrared and optical frequencies, or realizable as a metamaterial at lower frequencies. The result is a sensing system that may receive and transmit information, while its presence is not perceived by the surrounding, which may be of fundamental importance in a wide range of biological, optics, physics, and engineering applications.
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2009-06-08
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Suggested Citation: Alù, A. and Engheta, N. (2009). "Cloaking a Sensor." Physical Review Letters. 102, 233901. © 2009 The American Physical Society http://dx.doi.org/10.1103/PhysRevLett.102.233901