Composite glass structures (IMAGE) Optica Caption The researchers used their new fabrication approach to create various structures that combined chalcogenide IR glass with fused silica glass. These included a set of pillars with different dimensions. A white dotted rectangle in the above image indicates the smallest silica cavity used in this work. Credit Yves Bellouard, Ecole Polytechnique Fédérale de Lausanne Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.