In a birefringent material, the index of refraction varies with the direction of vibration of a lightwave. That direction having a low refractive index is the fast axis; at right angles to it is the slow axis, with a high index of refraction.
So the Speed of Light Never Changes?
Wrong! This only holds up in free space. The speed of light slows down when it…read more
Expanding Test Capabilities
We are excited to share that here at Alker we are expanding test capabilities for our…read more
Fibre Optics and the Environment
Fibre optics play a key role in the development of a greener future, this is something…read more