Abstract
AbstractA pin diode‐loaded active doubly periodic flat strip FSS is shown to act as a dynamic screen. It is shown that by means of d.c. bias control, we can utilize the screen in, (1) transmission mode as a dual band electromagnetic shutter, or with the inclusion of a ground plane in reflection mode, as (2) a dual band refection canceller, (3) an amplitude shift keying (ASK) spatial modulator. The properties of the FSS are characterized using a specially designed parallel plate waveguide simulator that permits normal incidence excitation of the FSS under test. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2059–2061, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24547
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