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Reducing physical appearance of electromagnetic sources

Abstract : We propose to use the concept of transformation optics for the design of novel radiating devices. By applying transformations that compress space, and then that match it to the surrounding environment, we show how the electromagnetic appearance of radiating elements can be tailored at will. Our efficient approach allows one to realize a large aperture emission from a small aperture one. We describe transformation of the metric space and the calculation of the material parameters. Full wave simulations are performed to validate the proposed approach on different space compression shapes, factors and impedance matching. The idea paves the way to interesting applications in various domains in microwave and optical regimes, but also in acoustics. (C) 2013 Optical Society of America
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https://hal-univ-paris10.archives-ouvertes.fr/hal-01422970
Contributor : Shah Nawaz Burokur <>
Submitted on : Tuesday, December 27, 2016 - 9:40:09 PM
Last modification on : Tuesday, October 6, 2020 - 4:30:49 PM

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Paul-Henri Tichit, Shah Nawaz Burokur, Andre Lustrac. Reducing physical appearance of electromagnetic sources. Optics Express, Optical Society of America - OSA Publishing, 2013, 21 (4), pp.5053-5062. ⟨10.1364/OE.21.005053⟩. ⟨hal-01422970⟩

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