Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides

Donisi, Domenico and D'Alessandro, Antonio and Asquini , Rita and Beccherelli , Romeo and De Sio , Luciano and Caputo, Roberto and Umeton, Cesare (2007) Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides. In: Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on. IEEE. ISBN 978-1-4244-0931-0

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Abstract

We present the experimental findings of a novel, switchable guided wave optical filter using a holographic Bragg grating as the optic field perturbation element using an inexpensive fabrication technology. The grating consists of a novel structure, known as POLICRYPS (polymer liquid crystal polymer slices), made of polymer slices alternated with films of aligned nematic liquid crystals (NLC). Such a composite grating is used as the overlayer of a single mode optical channel waveguide, which is obtained by using K+-Na+/Ag+-Na+ double ion-exchange in BK7 glass.

Item Type: Book Section
Subjects: 600 Tecnologia - Scienze applicate > 620 Ingegneria e attivita' affini
Depositing User: Matteo Viola
Date Deposited: 18 Dec 2012 14:46
Last Modified: 13 Mar 2013 12:18
URI: http://eprints.bice.rm.cnr.it/id/eprint/4405

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