Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 11, 2015
0Patent Application Number
129255400
Date Filed
October 22, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus to modify an incident free space electromagnetic wave includes a block of an artificially structured material having an adjustable spatial distribution of electromagnetic parameters (e.g., ∈, μ, η, σ, and n). A controller applies control signals to dynamically adjust the spatial distribution of electromagnetic parameters in the material to introduce a time-varying path delay d (t) in the modified electromagnetic wave relative to the incident electromagnetic wave.
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