holoOPTIX® FLEX is a holographic decal notch filter in a thin transparent form factor. They offer high optical density and out of band transmission. holoOPTIX® FLEX are polymer based components, which can be post-processed with a range of film processing techniques. The holoOPTIX® Holographic Notch Filter is available in two configurations: a thin flexible film that’s ready to use, and a film with a high tenacity, optically clear adhesive backing so that it can be applied to a substrate of your choice – including curved surfaces.