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Published online by Cambridge University Press: 28 February 2011
It is well known that a leaky wave in free space may show a decay rate even less than zero, or, in other words, its amplitude may grow instead of decay [1,2,3,4]. The above behaviour is very attractive from the point of view of deep processing of materials [5,6]; thus we extended the leaky-wave antenna theory to the lossy (half) space case and analyzed in detail the channel guide applicator [7,8,9].