Profile: Hilger Crystals Ltd is a supplier of synthetic crystals for infrared spectroscopy and X and gamma ray detection. We work with the materials such as potassium bromide, sodium chloride, potassium chloride, and calcium fluoride. X ray detector materials suitable for X and gamma ray detection and imaging such as Sodium Iodide, Cesium Iodide, Bismuth Germanate, Cadmium Tungstate & Zinc Tungstate are available in a variety of geometries including 2 dimensional and linear arrays with pixel sizes as small as 75 microns.