High-Quality Optically Flat Sapphire Glass Optical Lens for Interferometry and Measurement

High-Quality Optically Flat Sapphire Glass Optical Lens for Interferometry and Measurement. High Hardness & Durability: Mohs hardness of 9, second only to diamond, ensuring extreme scratch resistance. Customizable Shapes: Available in Flat, Spherical, and Aspheric forms, customizable to specific requirements. Excellent Chemical Stability: Insoluble in water and resistant to strong acids and bases, except HF. Precision Surface Finish: Optical polishing grade (Ra<5nm) with scratch-dig ratings up to 20-10. Versatile Coating Options: Supports AR, HR, Oleophobic, and Conductive coatings for specific applications. OEM/ODM Support: Full customization from samples or designs, with OEM and ODM services available.