Optical Coatings Market Size, Key Vendors, Growth The global optical coating market size was USD 12.01 billion in 2020. The market is expected to grow from USD 13.04 billion in 2021 to USD 22.57 billion in 2028 at a CAGR of 8.1% during the 2021-2028 period. This information is provided by Fortune Business Insights™ in its report titled, “Optical Coating Market, 2021-2028. Information Source: https://www.fortunebusinessinsights.com/optical-coatings-market-102138