Anti-Reflection Broadband Coating
Service Detail from Cascade Optical Corp.
Broadband AR coatings operate usually at lower efficiency than V-Coatings, but they provide anti-reflective properties over much wider spectral range. Spectral performance of a typical visible AR coating designed for BK7 glass is shown in the figure below.
Rav < 0.5% @ 450-650 nm @ 0° - 20° AOI