Author Archives: johnlincoln2013

Anti-reflection coatings

In partnership with Artemis Optical,  anti-reflection coating of GLS chalcogenide glass has been demonstrated.  This reduces reflections from GLS glass surfaces to <1%, significantly lower than the ~28% reflection from the uncoated glass that is a result of its high … Continue reading

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Infrared sensing and imaging : Challenges for next generation materials and devices

Presentations from the Infrared sensing and imaging : Challenges for next generation materials and devices meeting in Exeter on 15 November 2017 are now available

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Chalcogenide glass-on-graphene

2d-material integration enabled by direct deposition of chalcogenide glass onto graphene is detailed in our latest Nature publication, in collaboration with MIT   The deposited chalcogenides can be directly pattered on a variety of 2D materials to simultaneously act as  … Continue reading

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Optical, Thermal, and Mechanical Characterization of Ga2Se3-Added GLS Glass published in Advanced Materials.

Video abstract of our latest publication in Advanced Materials Jul 6, 2017 The results of the addition of Se to gallium lanthanum sulfide (GLS) glass through the substitution of Ga2S3 by Ga2Se3 are described. An innovative open melting apparatus is used. … Continue reading

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Structural modification of GaLaS glass for a new family of chalcogenides

Andrea Ravagli presents the latest on ChAMP chalcogenide glass development at SPIE Secuirty and Defence in Anaheim on April 11 2017. Including new CTE, Tg and hardness measurements for up to 60% Ga2Se2 glass and the impact of Indium and Tellurium … Continue reading

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Material optimisation

Optimisation of material composition for individual applications is a core part of ChAMP. This is achieved through partnership with the Advanced Composite Materials Facility (ACMF) at the University of Southampton headed by Prof. Brian Hayden and housed in the department … Continue reading

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Transmission of extended transmission GLS

The enhanced infrared performance of a new modified Gallium Lanthium Sulphide (GLS) chalcogenide glass family is illustrated in this transmission curve.  Details of the modification and the range transmission achieved are in Dan Hewak’s latest presentation. The strong bonding and … Continue reading

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