An optical coating is used as a layer that has minimal width. It is used for considering the lens for reflecting light. There is a number of coatings used for reflecting, such as the one which removes unwanted layers. It is basically used for considering the photographic lens. We can consider different types of lenses, but for spectating it, we can consider antireflection coating.
These lights directly reflect and use 99.99% of the coating material. If you consider high-quality coating, then it will increase the range of the wavelength. Here, all the things depend on the number of coating materials as well as on the quality of the coating material which you have used.
Optical coating for plastic optics:
If you are choosing the optical coating for plastic optics, then you can render ECI Optical Coatings. As a reason, there are multiple coating optics through which you can get high-quality results and shining finish. It varies with wavelength and can be accommodated according to the coating, which you have considered.
Optical coating for polymer optics:
If you are using optical coating for polymer optics, then you need to use a higher wavelength for that particular material. There are basically two types of optical waves as the first one is a long wave, and the second is the short wave. Forgoing towards these things, you need to analyze the coating material which you are using on to the surface.
Some important information:
If you choose the metal which has a thin layer, then it will become beneficial for you. As a reason, they are beneficial in using and applying the coating o the surface. You can also consider aluminum because it also comes with a thin layer and protection on the optical or the surface in which you are applying it.