PRECISION  OPTICAL  COMPONENTS, COATINGS &   ASSEMBLIES             HOME  PRODUCTS  QUALITY POLICY  EMPLOYMENT  CONTACT US   PFG Optics 733 Bienville Boulevard Ocean Springs MS 39564 USA Flat Optics   Right Angle Prisms   Corner Cube Prisms   Elliptical Mirrors   Delta Prisms    Rhomboid Prisms   Broadband Mirrors   Penta Prisms   Retroflector Prisms   Cube Beamsplitters   Risley Prisms   Deviation Prisms   Non-Polarizing Beamsplitters   Polarizing Prisms   Porro Prisms   Broadband Beamsplitters   Non-Polarizing Prisms   Pechan Prisms   Plate Beamsplitters   Dove Prisms    Laser Mirrors    Precision Windows  Feature Capability Threshold Materials All Visible materials,  All Grades of Fused Silica, Zerodur, ULE   Sizes Prisms – 10mm to 100mm Mirrors, Windows & Beamsplitters – 4 to 305mm Special Shapes Surface Accuracy 1/4 Wave 1/20 Wave Surface Quality 80/50, 60/40, 20/10, 10/5 Less than 10 Angstroms RMS Angular 3 to 1 minute +/-2 Arc seconds Pyramid 3 to 1 minute +/-3 Arc Seconds Parallelism Windows, Plate Beamsplitters, 3 to 1 minute Less than 1 Arc Second