Super phase array

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Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010njph...12c3047w&link_type=abstract

New Journal of Physics, Volume 12, Issue 3, pp. 033047 (2010).

Physics

3

Scientific paper

For a long time phase arrays have been used in a variety of wave transmission applications because of their simplicity and versatility. Conventionally there is a trade-off between the compactness of a phase array and its directivity. In this paper we demonstrate how by embedding a normal phase array within a superlens (made of negative refractive index material) we can overcome this constraint and create compact phase arrays with a virtual extent much larger than the physical size of the array. In this paper we also briefly discuss the apparent unphysical field divergences in superlenses and how to resolve this issue.

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