Reflect mirror (Silicon) is one of the most important elements in light transmission system. Silicon is used most as the material of mirror, its reflectivity achieve 98% and with stable thermal properties. With gold plated and protect on the coating of silicon mirror, the surface is difficult to be damaged, it also enhance the reflectivity and durable. The gold-plated silicon mirror can stand high ¨Cpower irradiancy. laser reflect mirror   : Dia=20mm, 25mm ,