Optical glass of fluoro-phosphate salt

摘要

Topic SolutionsBeing the optical glass of fluoro phosphorus acid, from 18 25 mols % from AlF₃ and 5 20 mols % Al (PO₃) from ₃ and 7 12 mols % from MgF₂ and 15 25 mols % from CaF₂ and 18 25 mols % from SrF₂ and 8 20 mols % from BaF₂ and 0 8 mols % Ba (PO₃) from ₂ and 0 3 mols % 0.5 mols % we to include BaCl₂ from YF₃ and 0, refractive index from 1.45 1.52, Abbe number from 78 85, glass transition temperature the 465 It features that it is below. Density of that optical glass below 3.8g/cm3, and hardness is 360 (107 pa) or more. The optical glass of fluoro phosphorus acid is suitable for precise compression formation processing. Selective figure It is not