Terminology

What is Hard Coating?

In the realm of optical filters, hard coatings refer to thin-film depositions composed of robust materials that boast superior durability and environmental resistance compared to their softer counterparts. Here's a...

What is Soft Coating?

Properties of Soft Coatings: Materials: Typically use softer materials like zinc sulfide, cryolite, or occasionally silver. Structure: Layers are laminated together or separated by air gaps, making them more susceptible...