Tuneable phase shifter and/or attenuator using photoresponsive-material in a waveguide

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

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Bibliographic Details
Main Authors Castiglione, Dario Calogero, Deias, Luisa, Ederra-Urzainqui, Inigo, Haskett, David Brian, Jenkins, Derek, Laisne, Alexandre Vincent Samuel Bernard, McCalden, Alec John, O'Neil, James Peter, Teniente-Vallinas, Jorge, Van De Water, Frank, Zinn, Alfred A, De Maagt, Peter, Mann, Chris
Format Patent
LanguageEnglish
Published 16.10.2007
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Summary:The invention relates to a tuneable phase shifter and/or attenuator comprising a waveguide having a channel and a piece of photo-responsive material disposed within the waveguide along an internal wall of said channel, a light source disposed outside the waveguide to emit light through an aperture of said internal wall to impinge on at least part of an outside surface of said piece of photo-responsive material.