3 years ago

Glasses to see beyond visible

Jacques Lucas, Johann Troles, Xiang Hua Zhang, Catherine Boussard-pledel, Marcel Poulain, Bruno Bureau

Publication date: October 2018

Source: Comptes Rendus Chimie, Volume 21, Issue 10

Author(s): Jacques Lucas, Johann Troles, Xiang Hua Zhang, Catherine Boussard-Pledel, Marcel Poulain, Bruno Bureau

Abstract

Glasses transmitting in the infrared (IR) belong to the families of fluorides and chalcogenides. This brief review is dealing with the originality of these materials such as their glass-forming properties. This contribution is essentially oriented towards their applications, which are illustrated by the creation of four companies. They have found niches in the business of IR, in bringing to the market original fibres and lenses in the growing sectors of IR cameras as well as sensors for medicine, astronomy and biological applications.

Résumé

Des verres transmettant dans le domaine de l'infrarouge ont été développés dans la famille des fluorures et des chalcogénures. Le concept de verres est présenté ainsi que les applications. Quatre sociétés ont été créés pour commercialiser ces matériaux, soit sous forme de fibres à configurations diverses, soit sous forme de lentilles moulées. Ces objets optiques ont trouvé des applications dans le secteur des caméras IR et des capteurs pour la médecine, l'astronomie, la biologie.

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