PHOSCTECH PHOTONICS,LTD was established in May, 1998. Which Specializes in designing and manufacturing MgF2,CaF2,Sapphire, BaTiO3, Ti:Sapphire , Nd:YAG and other crystals; Designing and manufacturing optical components, including Prisms(Right- Angle Prisms,Roof prisms, Corner Cube Retroreflectors,Dove Prisms,Wedge,ect), Aspherical Lenses, Spherical lenses,Windows,Waveplates,PBS, NPBS, Beamsplitters,Filters, Mirrors.We also provide many kinds of Antireflective Coatings, Partial Reflective Coatings, Beamsplitter Coatings, High Reflective Coatings.