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Principles and demonstration of multi-functional adaptive electromagnetic screen

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2 Author(s)
Smith, F.C. ; Dept. of Eng., Univ. of Hull, UK ; Gupta, R.

A bidirectional electromagnetic screen is proposed and demonstrated with properties that can be switched between high reflection, absorption and transmission over ∼10 ns. The screen comprises frequency selective surfaces loaded with pin diodes, which under partial biasing conditions provide the loss mechanism for the absorption state of the screen.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 13 )