Tuneable phase shfter and/or attenuator for introducing electromagnetic wave

The invention relates to a tuneable phase shifter and/or attenuator comprising a waveguide having a channel and a piece of photo-responsive material (18) disposed within the waveguide along an internal wall of said channel, a light source disposed outside the waveguide to emit light through an apert...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DEIAS LUISA, DE MAAGT PETER, VAN DE WATER FRANK, JENKINS DEREL, MANNCHRIS
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a tuneable phase shifter and/or attenuator comprising a waveguide having a channel and a piece of photo-responsive material (18) disposed within the waveguide along an internal wall of said channel, a light source disposed outside the waveguide to emit light through an aperture (30) of said internal wall to impinge on at least part of an outside surface of said piece of photo-responsive material (18).