Integrated optics devices based on liquid crystals

Beccherelli, Romeo and Bellini , Bob and Donisi, Domenico and d'Alessandro, Antonio (2007) Integrated optics devices based on liquid crystals. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid , 465. pp. 249-257. ISSN 1058-725X

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We describe the technology behind a platform for integrated optics based on liquid crystals. Design and technological issues are addressed and effective technological solutions are presented. The physical implementation of optical waveguides characterized by a practical and reproducible process based on preferential etching of crystalline silicon substrates are presented. Devices are manufactured by wet etching a Si substrates first and then by thermally growing thick SiO2 cladding layer. A nematic liquid crystal is used as core of the waveguiding devices. Experimental results on polarizing properties and single mode propagation of infrared light are presented and discussed.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 500.2 Scienze fisiche
Depositing User: Danilo Dezzi
Date Deposited: 03 Jan 2013 12:40
Last Modified: 20 Mar 2013 15:40

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