Omega Optical employs the widest range of coating technologies in the optical thin film filter industry. In addition to our high capacity, state-of-the-art Plasma Assisted Reactive Magnetron Sputtering (PARMS) systems, we’ve retained the ability to produce filters made with traditional inorganic compounds, typically zinc sulfide and cryolite. Each technology has its own strengths. In this post, you will discover more about these methods.