Sapphire AR Coating: Principles, Performance & Manufacturing
H1:Sapphire AR Coating|High‑Transmittance Anti‑Reflection Vacuum Deposition for Optical OEM Projects H2:What Is Anti‑Reflection (AR) Coating for Single‑Crystal Sapphire Single‑crystal sapphire features excellent mechanical and chemical stability, yet uncoated sapphire brings obvious surface reflection losses. Bare sapphire achieves only 84%‑86% average visible‑light transmittance within 380 nm‑780 nm wavelength range. Anti‑reflection (AR) coated custom‑machined [...]