http://www.cnr.it/ontology/cnr/individuo/prodotto/ID173390
Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides (Contributo in atti di convegno)
- Type
- Label
- Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides (Contributo in atti di convegno) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1109/CLEOE-IQEC.2007.4386555 (literal)
- Alternative label
D. Donisi 1; A. d'Alessandro 1, R. Asquini 1, R. Beccherelli 2, L. De Sio 3, R. Caputo 3; C. Umeton 3 (2007)
Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides
in European Conference on Lasers and Electro-Optics 2007 and the International Quantum Electronics Conference CLEOE-IQEC 2007, Munich, 17-22 June 2007
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- D. Donisi 1; A. d'Alessandro 1, R. Asquini 1, R. Beccherelli 2, L. De Sio 3, R. Caputo 3; C. Umeton 3 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=4386555&contentType=Conference+Publications (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- Optical tuneable filters are essential components in wavelength division multiplexing, optical communication systems and in optical sensor systems. 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 unexpensive 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). A suitable control voltage is applied in order to obtain the desired tilt of the NLC molecules, with a corresponding profile of the refractive index of the grating. A numerical analysis of the optical propagation and a model based on the matrix transfer method to study the tuning capability of the filter were carried out and validated by a 3D semi-vectorial BPM. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1. Dipartimento di Ingegneria Elettronica, Universita` di Roma La Sapienza, 00184 Roma, Italy
2. Consiglio Nazionale delle ricerche - Istituto per la Microelettronica e Microsistemi, Roma,Italy
3. Laboratorio Italiano di Cristalli Liquidi LICRYL, CNR-INFM, Centro di Eccellenza Materiali Innovativi Funzionali CEMIF, CAL and Dipartimento di Fisica-Universita` della Calabria, 87036, Arcavacata di Rende (CS), Italy (literal)
- Titolo
- Novel tuneable optical filter made of a polymer and liquid crystal holographic grating on glass waveguides (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 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. (literal)
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