NEW MATERIALS FOR OPTICAL APPLICATIONS BY SOL GEL PROCESSING

Informazioni relative al progetto

ID dell’accordo di sovvenzione: BRE20595

Progetto chiuso

Data di avvio 1 Giugno 1994

Data di completamento 31 Maggio 1997

Finanziato da

• Specific programme (EEC) of research and technological development in the field of industrial and materials technologies, 1990-1994

Costo totale

Nessun dato

Contributo UE

€ 1 786 008,00

Coordinato da

JENOPTIK GmbH
Germany

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Risultati sfruttabili

New materials for optical applications by sol-gel processing

Passive as well as chi(2), chi(3) and amplifying materials can be fabricated by a sol-gel synthesis following an inorganic or an organic-inorganic nanocomposite (Nanomer) route. Linear waveguides were prepared using hydroslysis based Nanomer systems and embossing as a patterning technique. For applications in the 1.55 µm wavelength region a special chloro-silane based route was developed, resulting in low loss strip waveguides. Furthermore different Nanomer material systems were doped by dyes and different quantum dots to obtain chi(2) and chi(3) efficiency in waveguide applications. Pure inorganic material systems were used for preparation of thick oxide monolayers with main attention to crack free preparation and optical quality. A new technology for glass amplifying waveguides was created using commercially available glasses and glasses prepared by melting of xerogel powders. Further microoptical elements (gratings, Fresnel lenses) were made by an inorganic as well as a composite sol-gel route.