PHY137H5 Lecture Notes - Lecture 14: Chromatic Aberration, Electromagnetic Spectrum, Binoculars
Document Summary
Relevance the kind of light we can see this is the electromagnetic spectrum. And lasers since we can see it, visible light is the best understood. Visible light is very very important in optics. Relevance light breaking up into its different colours upon refraction the refractive index of any given material will be different for each different wavelength (or colour) of light. Violet light refracts more than red light the difference between the angle of refraction for red and violet light isn"t much, but it"s enough to be (optically speaking) noticeable. Why is it important? understanding how dispersion works is important to understanding chromatic aberration in lenses. Relevance distortion of an due to different wavelengths of light focusing in different places. What is it used for? chromatic aberration can occur in any kind of lens, and it come from the fact that different wavelengths of light have different refractive indices. chromatic aberration is abated by using a doublet.
