... .0 mm, 55 x 1.4mm AR Coated. Standard and custom coatings are available. AR coated quartz glass plateThrough the use of ... . The main coating is listed as below.a. Anti-Reflection (AR) coatings to reduce reflection losses with R≤0.2%.b ... , HfO2, Al2O3, Y2O3 and so on dielectric materials are available. AR coated quartz glass plate