PPG Industries’ flat glass business has received $312,000 from the U.S. Department of Energy (DOE) to develop a dynamically responsive infrared (IR) window coating that will block heat in the summer ...

As sunlight passes through a building's windows it can cause indoor temperatures to rise, to the point that the structure's power-hungry air conditioning system has to be used. A new switchable window ...

CaF2 (Calcium Fluoride) has good performance at optical and thermo-mechanical properties,it can be used for optical Windows,spherical lens, prisms and cylinders within a wide range from 130nm to 9μm.