Uses of Sapphire explained; IR optics, laser optics, windows
Introduction You may not be aware but you probably have in your hands one of the toughest substances in the world right now. If you own a good quality watch chances are that it has a sapphire glass. Also, some versions of Appla watches and almost all mobile phones use sapphire lenses on their cameras. […]
What is Birefringence?
In a previous post, we explained the concept of a material refractive index in optics in the context of optical design. Something that we didn’t review however is that many materials have two, three (and even more) different refractive indices depending on the direction and polarization of light. This is a very interesting (and often […]