Optical Coating 101

Introduction to optical coating Optical coatings are used to enhance the transmission, reflection or polarisation properties, and are composed of thin layers of oxides, rare earth materials, metals, and other metallic and dielectric materials. The performance of the...

Polymer Optics 101

Introduction to Polymer Polymer, one of the most used materials worldwide and exists commonly in everyday life is also a great alternative to glass materials for optical components. Many up and coming industries are incorporating polymer as their main optical...
What is refractive index?

What is refractive index?

The refractive index (also known as the index of refraction) is defined as the quotient of the speed of light as it passes through two media. It is a dimensionless number that depends on the temperature and wavelength of the beam of light. “Refractive index describes...