Dayoptics has been specialized in surface grinding/polishing, and thin film coating of optical prisms/mirrors/filters, etc, not for traditional glass, but also for crystals material. This advanced processing technology and high quality products have received good reputation from customers around the world. The reason why Dayoptics has satisfied the various customer requirements is characterized by the following points: 1 Integrated Production System Dayoptics has integrated production system from prototype design and selection of materials to pressing, annealing, grinding, polishing, thin film coating, photo etching, bonding, cutting and assembly for processing optical parts such as prisms, mirrors and filters. 2 Quality Assurances Latest instruments for measuring various optical parts are set up at every manufacturing process in order to assure the quality and satisfy our customers. 3 Wide Production Line High power Polarization beam splitter High power waveplate High power Polarizer (Glan laser, Taylor, etc) Filters Mirrors Etalon Non polarizing beam splitter Crystals (BBO, LBO, Nd:YVO4, YVO4, a-BBO, sapphire, etc.)